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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] As mentionned above, this is also in line with the Y-DNA haplogroup analysis of modern East and West Africans populations: [QUOTE] Using the principle of the phylogeographic parsimony, the resolution of the E1b1b trifurcation in favor of a common ancestor of E-M2 and E-M329 strongly supports the hypothesis that haplogroup E1b1 originated in eastern Africa, as previously suggested [10], and that [b]chromosomes E-M2, so frequently observed in sub-Saharan Africa, trace their descent to a common ancestor present in eastern Africa[/b] . [/QUOTE]-- from [i]A New Topology of the Human Y Chromosome Haplogroup E1b1 (E-P2) Revealed through the Use of Newly Characterized Binary Polymorphisms[/i] (Trombetta 2011) Download link: http://www.plosone.org/article/fetchObject.action?uri=info%3Adoi%2F10.1371%2Fjournal.pone.0016073&representation=PDF http://www.plosone.org/article/info:doi/10.1371/journal.pone.0016073 For example, Yoruba are over 90% from the P2 haplogroups (P2/e1b1a(E-M2)). For Somali it's over 80% (P2/e1b1b) of their population. Using frequency value from the Hirbo study (starting at Appendix 6a ii, p195) ([URL=http://hdl.handle.net/1903/11443]download here[/URL]). Basically, this tell us, modern West and East Africans have their common paternal origin in Northeastern Africa. This common origin postdate the main OOA migrations of non-Africans (since E-P2 appeared after that time) and is thus relatively recent in term of human history. [/QB][/QUOTE]
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