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Saturday, December 5, 2020

Archaic admixture into Africans


The article I mention in this post was published in Feb. 2020 (Recovering signals of ghost archaic introgression in African populations by Sriram Sankararaman and Arun Durvasula Science Advances 12 Feb 2020:Vol. 6, no. 7, eaax5097 DOI: 10.1126/sciadv.aax5097). It reports an " archaic introgression into four West African populations. Our analyses ... indicate that these populations derive 2 to 19% of their genetic ancestry from an archaic population that diverged before the split of Neanderthals and modern humans".


The authors "estimate that the archaic population split from the ancestor of Neanderthals and modern humans 360 thousand years (ka) to 1.02 million years (Ma) B.P. and subsequently introgressed into the ancestors of present-day Africans 0 to 124 ka B.P. contributing 2 to 19% of their ancestry."


Could African "diversity" often used to justify the continent as the cradle of mankind be due to this introgression?



Patagonian Monsters - Cryptozoology, Myths & legends in Patagonia Copyright 2009-2020 by Austin Whittall © 

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