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Ancient west Eurasian ancestry in southern and eastern Africa 2013
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[QUOTE]Originally posted by The Explorer: [QB] [QUOTE]Originally posted by the lioness,: http://www.pdf.investintech.com/preview/55bad1b8-03d7-11e3-8242-003048d80846/index.html Ancient west Eurasian ancestry in southern and eastern Africa 2013 excerpts... It is perhaps not a coincidence that[b] the highest levels of west Eurasian ancestry in eastern Africa are found in the Amharaand Tygray,[/b] who speak Ethio semitic languages and live in what was previously the territory of D’mt andthe later kingdom of Aksum...[/QUOTE]From blog entry, "[i]Haplogroup Assignment; Old Habits that Die Hard"[/i], June 30, 2013: The [b]near identical incidences[/b], aside from peculiarities noted above, [b]of what some take for granted as "non-African" ancestry in the Ethiopian maternal gene pool suggests a population history of considerably deeper time depth than the 3ky ago scenario[/b] idolized by followers of a South Arabian origin; their rationale is that subsequent inter-ethnic group intermingling must have evened out the distribution between the major Ethiopian groups. However, the [b]failure of this trend to continue into the Y-DNA[/b] [6, 9] counterpart (in what some take for granted as "non-African"), where there seems to be a lingering genetic-structuring along linguistic lines, punches a hole into that frame of mindset. If anything, the [b]contrasting Y-DNA and mtDNA patterns[/b], the [b]former being largely one of linguistic variation[/b], while the [b]latter largely geographical variation[/b], suggests [b]different demographic processes being the likely driver[/b]. The [b]mtDNA may well speak to a common ancestral gene pool from which the major Ethiopian groups emerged[/b], while the [b]Y-DNA is likely speaking to a subsequent differentiation attained in a group whose language was more Semitic-like in its fundamental features[/b]. This [b]differentiation would then have had a temporal and spatial component to it[/b] [6, 9]. [/QB][/QUOTE]
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