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Genetic Closeness of the East/West African SNP population clusters (blog source)
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[QUOTE]Originally posted by Amun-Ra The Ultimate: [QB] ^^^There's nothing to be in denial about. [b]There's both similarities and differences [/b] between Naqada and Kerma samples, and even Nabta Playa samples, and modern West Africans/Niger-Congo speakers. Similarities are caused of their common origin with them, the differences are caused by the subsequent separation/migrations of West Africans to their current modern locations and subsequent in situ adaptations/genetic drift of each groups respectively (see [URL=http://www.egyptsearch.com/forums/ultimatebb.cgi?ubb=get_topic;f=8;t=008815]here[/URL]) . Let's consider the data from this study: [URL=http://www.pnas.org/content/103/1/242.full]The questionable contribution of the Neolithic and the Bronze Age to European craniofacial form by Brace (2005)[/URL] [IMG]http://www.pnas.org/content/103/1/242/F1.medium.gif[/IMG] Fig. 1. Neighbor-joining dendrogram for a series of prehistoric and recent human populations (Craniofacial measures) Clearly, we can see Niger-Congo speakers (Tanzania, Dahomey, Congo), Nubians, Somali, Naqada clustering on the same branch. Completely distinct from modern Eurasian populations like in Egypt, Middle East, Italy, France, or Germany. Same for post-cranial analysis: [IMG]http://i1274.photobucket.com/albums/y421/amunratheultimate2/Misc2/NJTreeofpostcranialvariableset_zpsc17c6cdd.jpg[/IMG] So West Africans are not exactly similar to ancient East Africans like Kerma, Naqada, Nabta Playa, etc, but share some morphological similarities too like Craniofacial measures and post-cranial/limb-proportion measurements. The similarities are from their common origin with those ancient specimens in Eastern Africa, the differences from their subsequent migrations to their current locations in West/Central/Southern Africa. [/QB][/QUOTE]
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