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Genomic Ancestry of North Africans Supports Back-to-Africa Migrations Brenna M. Henn
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[QUOTE]Originally posted by the lioness,: [QB] http://www.genetics.org/content/early/2013/02/04/genetics.112.148213.short?rss=1 _[URL=http://www.ephotobay.com/share/picture-27-5.html] [IMG]http://www.ephotobay.com/image/picture-27-5.png[/IMG][/URL] [URL=http://www.ephotobay.com/share/picture-28-2.html] [IMG]http://www.ephotobay.com/image/picture-28-2.png[/IMG][/URL] [QUOTE]Originally posted by Swenet: [qb] [QUOTE] Originally posted by Swenet: Guess this upsets Stoneking et al's claim that a single OOA migration is implicated by the statistically identical levels of Neanderthal DNA introgressions in modern non-African populations across the globe.[/QUOTE]^Still haven't read the paper so I don't know if the authors themselves realized it, but this is the real gem to focus on. If the findings of this paper prove true, it could mean two things: 1) East Asians are exclusively descended from the same OOA migration that gave rise to West Eurasian AMHs, but experienced extra archaic human introgressions AFTER the East Asian/European AMH split. 2) East Asians are composed of the same OOA migration that gave rise to West Eurasian AMHs, PLUS additional AMH/Neanderthal (alamgam) source(s), that is older than, and didn't contribute to, the European AMH collective. If 2 proves to be true, this will have many implications for the Middle/Upper Palaeolithic African populations near the African exit points, and their affinities to contemporary Africans who resided away from those exit points, in inner Africa. Why? Because with more than one OOA migration, butt hurt proponents can no longer use the convenient ''coincidence'' excuse for glaring fact that non-Africans have no mtDNA L, independent of African admixture events. But, of course, scenario 2 is already supported by things like the lack of Neanderthals in East Asia, the relatively late settlement of Europe compared to places along the Southern migration route, like Australia, despite Europe's closeness to Africa and the fact that non-African AMHs don't look like they belong to a single population, morphologically speaking, even when taking the rather high AMH inter-sample variability into account. Also, the lack of mtDNA L in Eurasians that diverges from African mtDNA L examples since (before) the earliest AMH exodus, plus the lack of African NRY M89, mtDNA M and mtDNA N examples in black Africans that do the same. The conclusion seems inescapable: black Africans descend from different AMHs than non-Africans do. [/qb][/QUOTE](liberating thread from albino obsessed other forum) [/QB][/QUOTE]
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