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Ethiopian Genetic Diversity Reveals Linguistic Stratification and Complex Influences
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[QUOTE]Originally posted by Troll Patrol: [QB] [QUOTE]Originally posted by Djehuti: [qb] ^ This is precisely what I and others like Explorer and Takruri have been saying all along as per Keita's findings-- that it is virtually impossible to claim with certainty whether clades called 'Eurasian' really arose in Eurasia as opposed to Africa and if they did in fact arise in Eurasia, it was in Southwest Asia at a remote time when the populations were relatively recent African immigrants, and what's more is that there were constant migrations back-and-forth between Southwest Asia and East Africa which can best explain the clade distributions we see today. The Dogon are just one example, but what are we to make of the Y-chromosome SNP of many West and Central Africans who carry R1 clade? Funny how you never see as many studies looking to claim West Africans as Eurasian-mixed peoples as you do East Africans. [/qb][/QUOTE]Yes, and I am starting to lain more to that too. [IMG]http://mbe.oxfordjournals.org/content/24/3/757/F1.large.jpg[/IMG] [QUOTE]Evolutionary history of mtDNA haplogroup structure in African populations inferred from mtDNA d-loop and RFLP analysis. (A) Relationships among different mtDNA haplogroup lineages inferred from mtDNA d-loop sequences and mtDNA coding region SNPs from previous studies (Kivisild, Metspalu, et al. 2006). Dashed lines indicate previously unresolved relationships.( B) [b]Relative frequencies of haplogroups L0, L1, L5, L2, L3, M, and N in different regions of Africa from mtDNA d-loop and mtDNA coding region SNPs from previous studies. [/b] (C) Relative frequencies of haplogroups L0, L1, and L5 subhaplogroups (excluding L2 and L3) in different regions of Africa from mtDNA d-loop and mtDNA coding region SNPs from previous studies. Haplogroup frequencies from previously published studies include East Africans (Ethiopia [Rosa et al. 2004], Kenya and Sudan [Watson et al. 1997; Rosa et al. 2004]), Mozambique (Pereira et al. 2001; Salas et al. 2002), Hadza (Vigilant et al. 1991), and Sukuma (Knight et al. 2003); South Africans (Botswana !Kung [Vigilant et al. 1991]); Central Africans (Mbenzele Pygmies [Destro-Bisol et al. 2004], Biaka Pygmies [Vigilant et al. 1991], and Mbuti Pygmies [Vigilant et al. 1991]); West Africans (Niger, Nigeria [Vigilant et al. 1991; Watson et al. 1997]; and Guinea [Rosa et al. 2004]). L1*, L2*, and L3* from previous studies indicate samples that were not further subdivided into subhaplogroups.[/QUOTE]Whole-mtDNA Genome Sequence Analysis of Ancient African Lineages Mary Katherine Gonder et al. http://mbe.oxfordjournals.org/content/24/3/757/F1.expansion [QUOTE] [b]Two other variants (489C and 10873C) also support a single origin of haplogroup M in Africa.[/b][/QUOTE]Nature Genetics 23, 437 - 441 (1999) doi:10.1038/70550 http://www.nature.com/ng/journal/v23/n4/abs/ng1299_437.html [/QB][/QUOTE]
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