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Northern Africa for 16,000 years
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[QUOTE]Originally posted by Mansamusa: [QB] [QUOTE]Originally posted by Tukuler: [qb] Hum Biol. 2010 Aug;82(4):367-84. doi: 10.3378/027.082.0402 Ancient local evolution of African mtDNA haplogroups in Tunisian Berber populations. Frigi S1, Cherni L, Fadhlaoui-Zid K, Benammar-Elgaaied A. Abstract Our objective is to highlight the age of sub-Saharan gene flows in North Africa and particularly in Tunisia. Therefore we analyzed in a broad phylogeographic context sub-Saharan mtDNA haplogroups of Tunisian Berber populations considered representative of ancient settlement. More than 2,000 sequences were collected from the literature, and networks were constructed. • The results show that the most ancient haplogroup is L3*, which would have been introduced to North Africa from eastern sub-Saharan populations around 20,000 years ago. • Our results also point to a less ancient western sub-Saharan gene flow to Tunisia, exciting haplogroups L2a and L3b. This conclusion points to an ancient African gene flow to Tunisia before 20,000 BP. • These findings parallel the more recent findings of both archaeology and linguistics on the prehistory of Africa. The present work suggests that sub-Saharan contributions to North Africa have experienced several complex population processes after the occupation of the region by anatomically modern humans. Our results reveal that Berber speakers have a foundational biogeographic root in Africa and that deep African lineages have continued to evolve in supra-Saharan Africa. [/qb][/QUOTE]Just curious, how do they date the West African contribution to North Africa? Can't read for myself because the article is behind a paywall. [/QB][/QUOTE]
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