So Why do Native Americans have so much Neanderthal DNA?

Warning: highly speculative post ahead.

As I mentioned the other day:

Worldwide distribution of B006, (from Yotova et al. “An X-Linked Haplotype of Neandertal Origin Is Present Among All Non-African Populations,” Mol. Biol. Evol. 28 (7), 2011).
Worldwide distribution of B006, (from Yotova et al. “An X-Linked Haplotype of Neandertal Origin Is Present Among All Non-African Populations,” Mol. Biol. Evol. 28 (7), 2011).
SNP PCA from Skoglund & Jakobsson’s “Archaic Human Ancestry in East Asia” (2011)
SNP PCA from Skoglund & Jakobsson’s “Archaic Human Ancestry in East Asia” (2011)

(Please note that Africans do not have chimpanzee admixture, despite the labeling on the graph–no human group has chimp admixture, because chimps and humans have different #s of chromosomes, so even if you could get a successful cross, the resulting child would be infertile, like a mule. I assume the point of the chimp node is just to represent that which has neither Neanderthal nor Denisovan admixture, though of course there is the possibility of some other form of archaic hominin admixture in Africans.)

Anthropogenesis-DenisovaAlleleMap

So, Native Americans appear to have a ton of Neanderthal DNA. (Relatively speaking.)

Possibilities:

  1. It’s all measurement error/convergent evolution/something else other than archaic admixture.

As much as I hate to say it, I still consider this very likely. There is just a ton of stuff that we don’t about the Americas–like how and when people first got here. I’m sticking here with what I think are the most scientifically-supported theories, but a lot of this is still quite disputed. In particular, all of this genetic admixture business is still kind of speculative, and when people start talking about finding admixture in the admixture, either life is totally awesome, or we’re trying too hard.

2. Survival at the Fringes theory

A lot of people seem to look at this data and respond with something like, “But Neanderthals are from Europe, not America!” But this is not a big issue; the Indians are descended from people who passed through Neanderthal-inhabited regions (the Middle East), just like everyone else with Neanderthal DNA. The migration to the Americas took place long after they acquired Neanderthal admixture.

But this doesn’t explain why they have so much of it.

My “concentration on the edge” theory states that when one population is displaced by another population, you end up with a “fringe” of the original population’s traits. Sometimes this fringe results in isolated groups, as the invading population completely surrounds or cuts off a remnant population from their former range.

The Ainu, for example, resemble certain other Oceanin groups, but not their neighbors, the Japanese. I’m speculating here, so don’t take my word for it.

But I have a much better case with the distribution of red hair: Frequency-of-red-hair-in-Europe

(So far I have found nothing explaining that dot over in Russia.)

Red hair is highly associated with the so-called Celtic fringe. It looks like it’s highly concentrated in Wales, Scotland, and parts of Ireland, but since I know a little history, and I know these aren’t areas of concentration, but just the areas that managed to escape being displaced by Anglo-Saxon invaders, just by virtue of being further away from the south-east coast of Britain.

One can imagine that the isolated dot in the middle of Russia might, at one time, have been connected with the other red-haired regions before other peoples invaded the lands between them and cut them off.

Compare to the map of blond hair:

europe-hair0223--light-h

Blond hair looks like it has been spreading steadily outward from a central source.

So what does this have to do with Neanderthal admixture in Native Americans?

It means that I think the Native Americans may have closer to original levels of Neanderthal admixture, while people in Europe and Asia have lower admixture because they mixed with later waves of people who came from Africa and had no Neanderthal admixture.

3. The Bering Strait selected for Neanderthal admixture

Alternatively, the harsh conditions of life in the Bering Strait–where some scientists think the ancestors of today’s Indians hung out (or “paused”) for thousands of years before the ice sheets opened up to let them through–may have selected for winter adaptations that came from ice-age Neanderthals. I have speculated previously that Type-2 Diabetes may actually be a winter adaptation picked up from Neanderthal DNA; now scientists think this DNA may be responsible for high rates of Type-2 Diabetes in Native Americans.

4. Western diseases selected for Western immune responses

One of the interesting things about the Neanderthal DNA hanging around in people is that it appears to code for certain immune responses. West Hunter recently had a great post (TLRs, PAMPs, and Alley Oop) detailing how they work, but for our purposes, “provide immunity” is sufficient. Austin Whittall suggests that back when smallpox, influenza, measles, and all of the other Western diseases tore through the Native Americans, killing about 90% of them, the guys who had more Neanderthal DNA were more likely to survive because they were more likely to be immune to the same stuff as Europeans. By contrast, those Indians with less Neanderthal DNA may have had less immunity to the European diseases, and so been more likely to die, leaving behind a population of high-Neanderthal DNA people.

5. One thing we can say for sure: if the data’s correct, the peopling of the Americas was more complex than previously thought.

There are four areas of particular interest:

A. The highly Neanderthal area in the Pacific Northwest

B. The highly Denisovan area in Brazil

C. The low-Neanderthal area on the South American coast

D. The low-Neanderthal and low-Denisovan area along the Baja gulf in Mexico.

I’ve got nothing on A and C; supply your own theories.

6. Speculations on the origins of high-Denisovan people in Brazil:

A couple of papers in Science and Nature recently proposed that Melanesian-related people somehow made it to the rain forest long after the other Indians got to the area. West Hunter helpfully summarizes them.

West Hunter suggests that the Melanesian-related people with their high-Denisovan DNA got to the Americas first, and were then replaced throughout the continents by later invaders, the ancestors of current Indians. The one place the Melanesian-related people managed to survive was in the depths of the rainforest, a very difficult place to conquer. Even today, there are “uncontacted tribes” living in the Amazon rainforest; if anywhere were a good spot for a group of humans to avoid getting conquered, the depths of the rainforest is a good one.

7. The low-Neanderthal and low-Denisovan area along the Baja gulf in Mexico.

So what’s up with that? As far as I know, the only people who don’t have any Neanderthal or Denisovan are Africans. (And even there, there’s a little, just due to back-migration from the rest of the world.)

Are these people descended from a totally different group that came directly from Africa?

There’s a tiny ethnic group in the area, called the Seri:

Dona Ramona of the Seri Indians of Sonora, Mexico
Dona Ramona of the Seri Indians of Sonora, Mexico

According to the Wikipedia, the Seri speak a language isolate–that is, their language, like Basque, doesn’t appear to be related to any other language on Earth–and they are not culturally connected with any of their neighbors. They’ve also held out significantly against Spanish and Mexican assimilation. In other words, they might very well be a totally isolated population that is not related at all to any of their neighbors.

Some more information on the Seris.

Then I found this interesting map:

map showing global distribution of the HLA-B*73:01 allele
maps showing global distribution of the HLA-B*73:01 allele

I found these maps over on Austin Whittall’s post on Denisovans and America.

Looks like the same spot, doesn’t it?

The two different “real” maps how different things because they come from different scientists who came up with different data, but the overall picture is similar–if you look closely, both maps show a hotspot in Israel, for example. The second map looks less detailed, (hence their miss of several Middle Eastern hotspots,) but has a wider global range, which is obviously useful for our purposes. They also help show the importance of not putting too much stock in any single study about the distribution of a particular gene or allele or whathaveyou; different scientists come up with different numbers.

At any rate, while this could be just a totally random coincidence, if it isn’t, it’s awfully interesting, isn’t it? I know the Egyptians circumnavigated Africa; the Carthaginians and Phoenicians were also noted sea-farers. Or perhaps some other group I know nothing about from the region, before folks started keeping good records. Who knows?

8. Other people’s theories: Neanderthals, Denisovans, and H erectus made it to America before we did, and H Sapiens intermixed with them after they arrived; humans evolved in American, and then migrated to the rest of the world from there.

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57 thoughts on “So Why do Native Americans have so much Neanderthal DNA?

    • A bit of further research would show that the red-headed area of Russia might be related to the “Red-headed Warrior Jews” of Russia, i.e., the Khazars.

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      • I think the Khazars all converted to Islam ages ago, but obviously that wouldn’t change their hair color. If memory serves, Khazars are a steppe people related to the Mongols/Turks/Uyghur (aren’t there some redheaded Uyghurs?) (To clarify, the people of modern Turkey only have a small amount of steppe-people DNA; they were conquered by Turkic-speaking people, but the bulk of the people are more or less natives to the region.)

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      • Ashkenazim cluster with Italians, genetically, and have similar enough personalities that they joke about it. Plus there’s kind of a documented history of migration to Italy and then Germany. The idea that there could have been some kind of part-Khazar Jewish community that persisted long-term in the Khazar area isn’t crazy, but there’s no more evidence of Ashkenazim being descended from them than from Cochin Jews. At this point, there’s so much weight against the Khazar theory, it doesn’t make any sense.

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    • The red hair in Russia is due to the Varangians of Kievian Rus, Vikings, that traded and conquered the area in the 8th century.

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    • Eastern Asians separated from Europeans long ago. Native Americans, originated in Asia, they share almost the same genetic material that most Asians. However, the first group of Asians that crossed the Behring strait, before getting into Alaska, they mix with an eastern European group. So, Native Americans from all of the Americas (fr Alaska to southern Chile and Argentina) share most genetic material with Asians and also a little bit with Eastern Europeans.
      http://news.nationalgeographic.com/news/2013/11/131120-science-native-american-people-migration-siberia-genetics/

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      • Thanks for the comments!

        Indian genetic history is very interesting, and I’ve been doing more research since this post. It looks like they’re descended from several different migration waves. The folks in the depths of the rainforest have Melanesian DNA; we don’t know how or when they got there, but I suspect the Melanesians got there first because invaders find it very difficult to conquer rainforests. Around them, throughout the rest of Latin America, we have a second group, and then to the north we have a third group, the Pima if I recall correctly. Up in the arctic, there have been even more groups, like the Dorset. But few people alive anywhere today are descended exclusively from just one group; most groups are all mixed up.

        The groups we call “Asian”–Chinese, Japanese, etc.–look like they’re descended from two main groups, one that spread downward from Siberia and one that spread upward from south Asia. (That’s my interpretation, anyway.) The Siberian group also spread westward; in the West, it mixed with a European group, eventually producing the Ugric-speaking peoples (though today most Ugric-speaking people in Europe have extremely little DNA from these groups.) So it seems quite reasonable to me that one of these Siberian groups, that might have mixed with one of these eastern European groups, or could have just recently split off from them and so still resembled them, were the guys who crossed the Bering Strait, whereas the guys from southern Asia, who’ve contributed the bulk of the current Asian DNA, would have had a rough time getting all the way up to Siberia in time to cross the strait! Who knows, back when the Indians crossed over, Siberians might have been the dominant people in east Asia; the people from the south might have come up later.

        But I still think this is all speculative :)

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      • Wrong! Why do so many people incorrectly insist Native Americans are Asians and came across the Behring Strait? Hasn’t education risen far beyond the errors taught in school as century ago? W-T-F up!

        Native Americans are not one single genetic population! Only a portion of the Native American genetics comes from what might be considered as Asian contributors. The Asian contribution is seen primarily in Natives with O blood types. Algonquian speakers like the Blackfoot display a high 82% A blood type.
        Worldwide the population of A type blood is only 16% yet here we have the Algonquain and Anishinaabe people and the associated tribes ranging from 25% to 82% while all other Native Americans from the North pole to the South pole are always O type blood without exception. This alone should tell you they are not the same genetic population. But the story does not end there!

        There is also a very large % of Haplogroup X DNA. Original Anishinaabe people like the Ojibwa Chippewa Odawa, Ojibwe, Potawatomi, Oji-Cree, Mississaugas test at about a 26% Haplogroup X DNA. It is a hard scientific fact that this mitochondrial marking is passed down from a single mother in the last “approximately” 8,000 years. Therefore any other population on the planet with the same marker at a similarly high 1/4 population carrier of this marker constitutes living relatives of these Algonquain and Anishinaabe people and the associated tribes..

        Look the world over for any populations of Haplogroup X DNA to find relatives of these people and they do not exist in Asia! Therefore Asia is not their derivative location. Asia must be ruled out if one connects the dots. There does exist one other population with the identical marker! They also exhibit exactly the same 26% among their population to this day. I will return to that population shortly.

        Using 86 complete mitochondrial genomes, that all Native American haplogroups, including haplogroup X, were part of a single founding population, thereby refuting multiple-migration models. One should also note that this rare X Halogroup exists at a significant albeit lower % in two other geographies. In each case where this super rare X Halogroup exists today is on an ocean or sea port among the natives. Carthage — home to the Sea People – shows an 8+% X Halotype. Phoenician from Carthage had European ancestry.

        Back to the abnormally high Mitochondrial X in Algonquian tribes. The only other population with such a phenomenally high 26% of this super rare marker is the Druze population which is associated with the ancient Sea Peoples [Phoenician]. It is found among Egyptians inhabiting El-Hayez oasis (14.3%)

        The Phoenicians are recognized as one of the great early civilizations of the Mediterranean. First recorded as the descendants of the Canaanites, they inhabited the shores of the eastern Mediterranean and dominated the maritime trade routes of both the eastern and, later, the western Mediterranean during the second and first millennium BCE. We actually know little about the Phoenicians other than what was written about them by the Greeks and Egyptians. It is crucial not note that the Sea People/Phoenician were never a singular genetic population. There were instead a group of populations using one alphabet and language that live by the sailing beyond the scope of other populations. There travels included Wales and Ireland for example. How far out into the Atlantic they ventured is unknown.

        Kennewick Man Analysis of the 8500-year-old skeleton of the Kennewick Man, found in Washington State, United States, showed that his y haplogroup is Q-M3 and his mtDNA haplogroup is X2a.

        In other genetic testing and markers among ancient Algonquian speakers seems to relate other European populations. Another curiosity is that the very first Native American population found to date are the Bog People of Windover Florida. This population goes much further to bust the bubble of Native American ancestry as they all test out as Europeans some 8 to 10,000 years ago living in Florida.

        No! All Native Americans are not of Asian extraction. Asian genetics is a contributor but JUST ONE contributor to TRUE American Genetics! As it was from the very beginning it is quite obvious that America is and has always been a “melting pot”!!!!

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  1. There’s digs in the Americas that date to 200,000 years ago. No one pays attention because it doesn’t fit the model.

    http://www.freerepublic.com/focus/f-news/592435/posts

    Another bunch of weird stuff is the ancient maps that correspond to ice age water levels. They seemed to have been copied and recopied over the centuries.

    http://members.tripod.com/~Glove_r/Hapgood.html

    http://discovermagazine.com/2014/june/14-the-mapmakers-mystery

    http://bigthink.com/strange-maps/648-portolan-charts-too-accurate-to-be-medieval

    I don’t know what this means but it’s interesting. Maybe these guys know.

    http://moviepilot.com/posts/2015/03/04/dna-analysis-claims-ancient-elongated-peruvian-skulls-are-not-human-2750281

    …and no I don’t believe in aliens.

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    • There are many mysteries left in the world, and a great deal of nonsense spouted here and there. You can’t always tell ahead of time what’s nonsense and what’s just a mystery. It is easy to see how scientists might find a whole plethora of evidence supporting the idea of east-Asian Indians crossing the Bering Strait 15-40,000 years ago, and have on the other hand a small pile of evidence of people way down in South America at the same time, and not know what to do with it except say, “well, the big pile of evidence doesn’t point to people being here early enough to create the small pile, so most likely there’s just been some mistake made in dating those artifacts.” Then later someone says, “Hey, maybe the small pile was just left by a different group of people that arrived earlier, perhaps by some other route.” You get enough evidence, and that starts looking like a viable theory.

      I’ve read Maps of the Ancient Sea Kings; I think a lot of what he’s got there is the Medieval belief in the antipodes, which they stock on the maps just so there’d be *something* in the southern hemisphere rather than a big empty stretch of water. In the Bible, the apostles are commanded to spread Christianity to the “four corners of the earth”, so they reasoned therefore there must be four corners for humans to live on. They knew the earth was round, so “corners” was taken to be landmasses; they had Europe, Asia, and Africa, so that implied there was a fourth one out there somewhere.

      Likewise, I suspect the Portolans are accurate just because the guys who made them put in a ton of hard work assembling a mountain of data from different ship logs of how long it takes to get from point A to point B, which may have been accomplished by a few particular hard-working individuals who decided they were going to do such a project, rather than via some gradual, incremental process that we’d be able to easily document.

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      • Scientists need to read the KJ Bible they will have all the DNA information they need. God says he spread mankind across the world on several different occasions. There has been many different earth ages. The different races come from the fallen angels. God fought Satan hard to keep the giant DNA out of Adam’s and David’s blood line so Jesus blood would be pure. Seek the truth and you shall find it in God’s Word.

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  2. “distribution of red hair…. I have found nothing explaining that dot over in Russia”

    What you’re seeing are the “Udmurts”, a non-Slavic ethnic group who have lived in the Ural Mountains since no one knows when. They’re supposedly the most red-headed people on Earth.

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    • Looks like Udmurts are Finno-Urgic people related to Magyars, Estonians, Sami, etc. Genetically I think they look very similar to other European groups, but with less of the component other Euros share with middle easterners and more of the Siberian oreast Asian component (glance at my header to see what I mean; Siberian and east Asian are yellow shades and Middle Eastern is light blue); many of them arrived in Europe within written history due to displacement by the Mongols. Chances are good the Udmurts got displaced/overrun by the Mongols, too.

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    • Red hair like blonde hair and light skin is an adaptation to cold temperatures. We humans spent much time living on trees. If in a tropical jungle any body look up, the foliage tends to look darker close to the trunk; so dark skin and hair, in those tropical areas, helped human survival, despised & confused their predators. However, in non-tropical lands, in temperate or cold forests, trees except pines are deciduous. Their leaf became yellow and red, before they fall and get covered by snow, so humans living in those tree adapted their hair and skin coloring to despise predators during the time that trees have few or none leaves.

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      • the prevalence of light hair has been directly linked to the need for sunlight-generated vitamin D, hence the distribution within more northern latitudes, one exception being the Inuit, whose native diet contains a high level of vitamin D.

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      • Blond-haired Germans live at the same latitudes as raven-haired Mongolians; Finns live at the same latitudes as Siberians. There are actually a lot of (small) groups of people living in Siberia and northern North America (not just the Inuit) who have dark hair. It may just be that all of these peoples have been eating diets higher in vit D than Europeans, or perhaps Europe is cloudier than other places at similar or more northerly latitudes, but I hesitate to declare the matter solved.

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    • Yes, you will find red haired people in Russia and Ukraine. There are also red haired people in northern Spain, northern Italy, among some tribes in Syria, Turkey, Afghanisthan and among the Berbers in some Middle East countries. Also, some Melanesians that look like SubSaharian Africans, but they are not the same people. Some Melanesian (Salomon Island and others), have red or blonde hair and light eyes. You can see among them red or blonde afros ! However, their light eyes, red and blonde hair is caused by different genes, than other blonde and red hair and light eyes in the rest of the world.
      There are, also, red haired people in South America, due to European emigration. A common myth is to believe that only Spaniards and Portuguese emigrated to Latin America. South America, received great waves of emigration from all over Europe, including Northern Europeans countries, starting in the late 1600s; due to war, famine and religious persecution of catholics.
      There enough red hair all over the world; by the way I am red haired.

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      • Yes, I think Argentina is, what, 55% Italian?

        I don’t think we know for sure, yet, why blond and red hair exist. People in China live among deciduous forests, and people in Siberia have to deal with winter, but they have black hair. I don’t think we know yet when red hair evolved, but it looks like blond hair is only about 11,000 years old. By that time, we were the predators. But it’s an interesting theory!

        Chimps have dark hair, but pale faces–their faces really stand out. Gorillas are dark all over. Orangutans also live in the tropics, and are orangish. I don’t know much about the rest of the monkey family. :)

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  3. Regarding red hair in Russia… there are folk legends of red haired giants who traveled from the east, a warlike tribe described much like the Celts. They didn’t wear clothes, they were cannibalistic, they were highly sexual. Over time their populations dwindled due to warfare and getting driven out until they retreated to the seas.

    This may coincide with legends of red haired giants from the four corners region, with similar characteristics, as well as the population of Celts on the British isles. But also, the red haired, tartan festooned mummies found throughout Asia… perhaps it has something to do as well with the red haired Pharaohs of Egypt…

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    • I think mummies tend to have red hair because the darker pigments degrade faster, leaving a reddish appearance behind.

      Regardless, there are many interesting legends, some of which may be true.

      Though I don’t remember the Celts being particularly naked. It gets pretty cold over there.

      Genetically, the Celts look a lot like other Europeans, eg, the English, Norwegians, Belorussians, etc. There are differences, but not huge ones. The Udmurts speak a Finno-Ugric language, like the Sami, Fins, Hungarians, and various Siberian peoples. These groups all basically look a lot like their neighbors, genetically, but have a little Siberian admixture. (Except for the ones who are in Siberia, who just look like Siberians.) The Celts speak an Indo-European language and don’t have any Siberian admixture (that I know of.)

      So I suspect that these are basically separate populations of redheads :)

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    • Native Americans also talk of being created in place out of clay from the bottom of the sea, and have been in the Americas forever. They also talk walking on rainbows after their god created them from Dolphins, so now must we take their creation stories as gospel? Because if you believe their were Red Headed giant indians, then we must take their in situ creation stories as truth and nothing but the truth. You can’t pick and choose which oral traditions that fit with your agenda. That would be hypocritical!

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  4. If the ancestors of the bison were able to get to the new world via the Behring Strait about 400000 years ago, why would archaic people not have been able to do the same? American anthropologists, for years, were so indoctrinated that Clovis First had been their battle cry for decades. Now, this doctrine has given way to ok, there have been other people before the Clovis folks, but they were also modern. I suspect that eventually irrefutable traces of archaic people will be found, and this time, archaeologists will hopefully have the fortitude to declare that indeed there were others here before the moderns came. But we shall see.

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    • There is no such thing as Clovis People, there is the Clovis spear points, that they used. And obviously Clovis tool kits were invented by the people who were the ancestors of ” Clovis People”. The ancestral native Americans were in the Americas far long than 13.000 years, but were a genetic isolated breeding population for thousands of years prior to the advent of the Clovis horizon. And since pre-Clovis remains from humans have been tested S far back as 14,600 years, it is obvious that they were already in the Americas before the opening of the Ice Free Corridor. They were already in America as far down as the tip of South America, and they were the Ancestral stock of all modern Native Americans. Clovis and Pre-Clovis are not separate genetic populations, one is ancestral to the other, and they could of been in the Americas as Far Back as 40,000 years ago. There is no genetic or archaeological evidence that pre-Clovis and Clovis were not related.

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  5. Could the high concentration of Neanderthal be due to such long term hermetic living?? While everyone else in the world was still mixing, the Native American became cut off from the rest of the world, and evolved on it’s own until colonization. Could this explain the maintained level of Neanderthal genetics??

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    • It certainly could. I am not convinced there was only one “out of Africa” event, and later mixing could certainly have diluted the Neanderthal DNA in some populations but not others. (Of course, assuming it isn’t just all measurement error.)

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  6. Well, “Natives” are a branch of the Mongoloids who, through back migrations had more contact with Neanderthals and bred more with them. They have on average 20 percent more Neanderthal DNA than Europeans due to this. It wouldn’t be too far of a stretch to consider this as the reason why NAs have so much Neanderthal DNA.

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    • Native Americans are not mongoloids, they were in America prior to the genesis of the mongoloid race. They are their own race and not a subset of the mongoloid genetic stock. It is plain that their ancestors had different skull morphology than mongoloids. And since they are far older, it is possible that mongoloids are the descendants of Native Americans.

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  7. Haplo group x2,known native haplogroup,,,its found in southern France also,,,neanderthal lived in southern france,,,they crossed the Atlantic,west through ice sheets and made it to the americas before everyone else did…..so native americans have a double dose,,they got it through the bering straits and on there arrival here to the americas…

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    • There is not one case of haplogroup X2a in the south of France before the Neolithic. And when it does show up, it’s a different sub clade X2b, X2b is not ancestral to the Native American x2a. The occupants of Southern Europe are not ancestral to today’s Europeans and it looks like they didn’t pass on their genes, modern Europeans are in fact not nativ to Europe, and came from Asia, the Middle East and Africa, bred and then migrated into Europe in the late neo-Lithic.

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  8. Neanderthal tools in America in areas ice age did not touch…This area had its last deposition during Ordovician…tools all over..I have hand axes..bi-faced tools, blades…pebble tools..spearheads..from different periods of time…even a t-tool that appears just like an ancient African tool/effigy millions of years old….wake up science…humans were in Americas long before you say they were. My anthropology instructor said “It appears that your specimens are what you say they are, but I would have to change my scientific view so..bye…My dean said, “How will you prove your grandma did not bring them on a boat?” So much for the Ancient Human in Americas Theory. Leakey believed. They laughed at him, too…

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    • I’m interested if you have any Clovis or earlier pendents.

      An example might be something about the same size and conformation of a two thirds gone bar of soap, rectangular and tapered all four sides.
      There would also be two holes drilled in it in the center .

      Parkwb56@gmail.com

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    • The new technique of analyzing DNA in cave dust should be able to answer some of these issues. It just needs to be applied to some of the Appalachian caves in VA, WV, KY or TN. They have pre-clovis sites in those regions which indicate continuous habitation.

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  9. Re: “A. The highly Neanderthal area in the Pacific Northwest”

    Was hoping you could point me in the direction of the data in support of this claim. I wasn’t able to find it myself but find I would like to as I am formulating my own hypothesis. Thanks!

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  10. The Denisovan and Neanderthal DNA maps seem to correlate in the Americas — for instance, the Brazillian guys seem to have a bit more neanderthal DNA than their neighbours, too.

    A possible relation to the Australian Aborginals would explain the darker skin of the Amazon people (even compared to others at the same latitude) Also, don’t the Inuit have large skulls, just like neanderthals?

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  11. If only 1% of people in Spain have red hair what are the chances of my 100% Mexican nephew having red hair?, he does have red hair and is 100% Mexican!

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    • My nephew also has red hair. He has one blond parent and one dark-haired parent. I don’t think he has a “red” gene so much as a blond and a dark gene which combined to make red. Hair can be very interesting sometimes :)

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  12. It’s not true that 90% of Native Americans were killed by Western deseases. It’s a myth generated by Americans who didn’t want to admit their genocidal crimes. Most American Indians were wiped out by European invaders, and the Western deseases they brought with them only account for 30% of the Nativa American massacre at most. Even this number might not fairly reflect the reality, for many of those who died from deseases may have survived had their traditionall social / medical care systems not been annihilated by the invaders.

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