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Ancient Tanzanian Pastoralist results... VERY interesting stuff!
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[QUOTE]Originally posted by xyyman: [QB] Wow!! This is what I have been waiting for. I said – there was never a Bantu Expansion. That modern west Africans are a misture of East African and another set of Africans that existed in West Africa. They are related to WHG. If they test Cape Verde they will carry the highest ancestry of this type of all West Africans. I said West Africans are primarily Neolithics Quote: “The first posits that [b]present-day western Africans harbor ancestry from a basal African lineage that contributed more [/b]to the Mende than it did to the Yoruba, with the[b] other source of western African ancestry being related to eastern Africans and non- Africans[/b] (Figures 3D, S4, and S5; Table S7). The second model posits that long-range and long-standing gene flow has connected southern and eastern Africa to some groups in western Africa (e.g., the ancestors of the Yoruba) to a greater extent than to other groups in western Africa (e.g., the ancestors of the Mende) (Figure 3E) (Pleurdeau et al., 2012). The [b]possible basal western African population lineage would represent the earliest known divergence of a modern human lineage that contributed a MAJOR proportion of ancestry to present-day HUMANS[/b]. Such a lineage must have separated BEFORE the divergence of San ancestors, which is estimated to have begun on the order of 200–300 thousand years ago (Scally and Durbin, 2012). Such a model of basal western African ancestry might support the hypothesis that there has been ANCIENT STRUCTURE in the ancestry of present-day Africans, using a line of [b]evidence INDEPENDENT from previous findings based on long haplotypes with deep divergences[/b] from other human haplotypes (Hammer et al., 2011; Lachance et al., 2012; Plagnol and Wall, 2006). One scenario consistent with this result could involve [b]ancestry related to eastern Africans (and the out-of-Africa population) expanding into western Africa and mixing there with more basal lineages[/b]. Our genetic data do NOT support the theory that this putative basal lineage diverged prior to the ancestors of Neanderthals, since the African populations we analyze here are [b]approximately symmetrically related to Neanderthals[/b]” [/QB][/QUOTE]
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