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OT: R*-M173 back migration
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[QUOTE]Originally posted by Quetzalcoatl: [QB] [QUOTE]Originally posted by rasol: [qb] [QUOTE]Originally posted by Quetzalcoatl: You keep referring to Keita's postulate of wandering hunter/gatherers in North Africa and the the Near East as the source of many different haplotypes, could you give the reference?[/QUOTE]Keita, S. O. Y. [i]Genetics, Egypt, and History: Interpreting Geographical Patterns of Y Chromosome Variation History in Africa [/i][/QUOTE]Thank you for the refernce, I'll get it. Rasol said [QUOTE]I keep referring to it, because it is better grounded in evidence and reason than Blench's far fetched and weasel worded speculations, which attempt to attribute to 'eurasia' languages which are not found in eurasia based upon dubious assocation with lineages not proven to have originated in eurasia. Blench is arguably engaged in special pleading in the absense of evidence.[/QUOTE]I think you are mischaracterizing Blench, or perhaps my description was not good enough. Blench clearly says that this is speculation about a possible way to explain what linguistics finds. He does not claim any Eurasian languages-- every language and its development takes place within Africa. I still think that R1*-M173 did not originate in Africa. The papers you cited and Keita's paper seem to locate its origin somewhere in the Levant-- and it does seem that this shoots down Blench's idea that his back flow population with this lineage came from the region of Papua. This, to me, does not qualify as "weasel words", "special pleading" etc. [QUOTE]And because Keita has still not been addressed.... [i] It might be likely that the greater percentage of haplo-types called “Eurasian” are predominantly, although not solely, of indige-nous African origin. As a term “Eurasian” is likely misleading, since itsuggests a single locale of geographical origins. This is because it can bepostulated that differentiation of the L3* haplogroup began before theemigration out of Africa, and that there would be indigenous supra-Saha-ran/Saharan or Horn-supra-Saharan haplotypes. More work and carefulanalysis of mtDNA and the archeological data and likely probabilities isneeded. Early hunting and gathering paleolithic populations can be mod-eled as having roamed between northern Africa and Eurasia, leaving anasymmetrical distribution of various derivative variants over a wideregion, giving the appearance of Eurasian incursion.[/i] [/qb][/QUOTE]I think Blench's arguments are primarily linguistic. [/QB][/QUOTE]
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