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Denisovan Paleo-Amerindians?

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toyomotor View Drop Down
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    Posted: 07 Jul 2014 at 08:15
Quote Tibetans inherited a genetic adaptation to high altitudes from an extinct group of human relatives called Denisovans, a new study finds.

Researchers have known for years that Tibetans carry a genetic variant in the EPAS1 gene that allows them to survive at extreme altitudes where oxygen is scarce. But how that variant arose has been mysterious. Now researchers report July 2 in Nature that the high-altitude version of EPAS1 almost certainly came from Denisovans or from a related group of extinct humans. (https://www.sciencenews.org/article/tibetans-live-high-life-thanks-extinct-human-relatives)

 
If this report is accurate, could the results also be applied to many other peoples who inhabit high altitudes, such as the Andes?
 
Is there any evidence of Denisovan DNA in Paleo Amerindians or their descendants?
I often wonder why I try.
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pinguin View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote pinguin Quote  Post ReplyReply Direct Link To This Post Posted: 08 Jul 2014 at 04:00
I don't know. What we know, though, is that Aymaras and other native Bolivians are able to heavy work at altitudes that can kill anyone else. They even have more blood than the average person of other races, including other groups of Amerindians that live in lower altitudes.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote toyomotor Quote  Post ReplyReply Direct Link To This Post Posted: 10 Jul 2014 at 03:17
Originally posted by pinguin pinguin wrote:

I don't know. What we know, though, is that Aymaras and other native Bolivians are able to heavy work at altitudes that can kill anyone else. They even have more blood than the average person of other races, including other groups of Amerindians that live in lower altitudes.
 
I guess the question is whether or not they were born with a neanderthal gene which permits them to work and live at high altitudes, or whether they've simply developed this ability over the millenia.
 
Obversely, I wonder if it effects their ability to live and work at low altitudes.
I often wonder why I try.
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