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by traject_
1645 days ago
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> Seeing how African populations are extremely diverse and we're just seeing the extent of it I would refrain from making such definitive statements. There's no reason to not. Holocene expansion of farming/pastoral populations all over the world (including Africa) has largely homogenized human ancestry into identifiable distinct strands that is in varying proportions. Africa is indeed diverse genetically but it is not magic or anything. It most likely comes from the earlier mentioned multi-regional model within Africa through drift and admixture with highly drifted populations. And almost all of these populations outside of those of North Africa were outside of the Neanderthal range and we have archeological evidence to support this as well. There is no logical reason to believe in an (outside of the obvious example of historic West Eurasian admixture in the Horn/North Africa) African population with non-trace levels of Neanderthal ancestry. High levels of diversity in Africa does not imply a significantly large population with non-trace levels of neanderthal ancestry. |
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