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Max Planck, Harvard and Sao Paulo researchers deny their DNA models are suspect
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[QUOTE]Originally posted by Tyrannohotep: [QB] [QUOTE]Originally posted by Djehuti: [qb] [QUOTE]Originally posted by Tyrannohotep: [qb] Given that sinodonty and various other so-called "Mongoloid" physical characteristics are the product of certain EDAR genetic alleles like he's said, it could be that the Lagoa Santa people represent descendents of a population that left the Beringian standstill "ahead of schedule", i.e. before these EDAR traits reached the same degree of fixture that you see in modern Natives. So while Lagao Santa may have more genetic affinity to Native Americans than to any other world population [i]today[/i], their phenotype could still have looked quite different (e.g. less "Mongoloid") from modern Natives. At least that's how it has come to look to me. [/qb][/QUOTE]Actually, recent research has come out showing that Beringia may have been an early center of EDAR gene expression. [URL=https://www.abc.net.au/radionational/programs/scienceshow/gene-for-teeth-used-to-track-ancient-human-populations/8364000]Gene for teeth used to track ancient human populations[/URL] [i] Beringia is an area where Siberia and Alaska come together. It is now underwater. But at the last glacial maximum, about 24,000 years ago, sea level was 120 metres lower and this large wide flat open area supported plants and animals and likely a human population. Leslea Hlusko is tracking ancient populations through a gene variant which influences dentition. The EDAR gene controls the shape of incisors and a range of other traits. [b]A new hypothesis is the Beringia region was favourable for expression of the EDAR gene, and populations selected for it. These populations then spread to the Americas and to north east Asia.[/b][/i] If this is true, then it means that the early sundadonts who first settled the Americas did [i]not[/i] come from that area but likely south of that area along [URL=http://www.egyptsearch.com/forums/ultimatebb.cgi?ubb=get_topic;f=8;t=010136#000034]a coastal area[/URL]. [/qb][/QUOTE]I stand corrected. Though I do remember you mentioning the ancestors of modern Northeast Asians (as in Chinese, Japanese, Mongolians, etc.) may have also come from Beringia, so maybe they have common ancestor with modern Natives there. [/QB][/QUOTE]
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