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Mzab: Sensitive Ancestry Segment Detection
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[QUOTE]Originally posted by -Just Call Me Jari-: [QB] Well I was under the impression that the Berber's MtDNA was the result of a long period admixture rather than just from recent slave markets?? Am I wrong? Ive always upheld that Coastal Areas of North Africa harbored "Eurasian" Leukoderm as well as darker skinned populations as one goes more into the interior as seen in Carthage and Egyptian and Roman art. [QUOTE]Originally posted by Swenet: [qb] [QUOTE]Although care should be taken in interpreting these values, they indicate that the ancestral segments of Mozabite are significantly diverged from extant Bantu-African and European related populations. ... the Mozabite [b] are not perfectly modeled as a linear combination of European and African ancestry.[/b][/QUOTE]^Essentially the same as Henn et al 2012's solid reasoning for why the predominant Maghrebi component detected in Berber populations doesn't predate the Holocene (they have alleles that are unique to them and bespeak divergence times from Eurasians that are >10kya): [i]A scenario where North African Maghrebi ancestry is the result of in situ population absorbing Near Eastern migrants would likely need the following premises to explain the results here and elsewhere: a) an Out-of-Africa migration [concurrent with bottleneck] occurs 50–60 Kya, geographically dividing North African and Near Eastern populations; b) North Africans experience a separate bottleneck; c) gene flow maintains similarity between the two geographically distinct populations; d) [b]the gene flow then ceases or slows roughly between 12–40 Kya in order to allow sufficiently distinct allele frequency distributions to form.[/b][/i] --Henn et al 2012 ^Berber populations have Eurasian ancestry that is clearly unaccounted for by the confused ''historic female slave trade'' fairytale pushers, who are motivated only by their hidden agenda to not have to admit that the Eurasian genetic component in Berbers--which is embodied by what's left over when historic Arab and historic European and slightly older West African ancestry is subtracted--can be traced back to Ibero-maurusians. The afronut bogus ''female Eurasian slaves'' excuse, when applied to what's CLEARLY [i]prehistoric[/i], non-recent ancestry in Berbers, needs to be called out for the crackpot emotion-driven quackery that it is. As pointed out by Price et al 2009, Henn et al 2012, Achilli et al 2005, Kefi et al 2005, Frigi et al 2011, and many others, Berbers are NOT a blend of a Sub-Saharan component and a recent (common era), Eurasian component. [/qb][/QUOTE] [/QB][/QUOTE]
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