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Chad Genetic Diversity : Multiple Eurasian Migrations 2016
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[QUOTE]Originally posted by Clyde Winters: [QB] This paper is a joke. It makes numerous speculations without any archaeological evidence to back it up. It claims that R1 in Africa is the result of a back migration, and the Eurasians and Africans diverdge 60-80kya. This dating is contradictory, because the only anatomically modern humans at this time were in Africa, and we know that there is no archaeological evidence of Eurasians migrating into Africa. The authors "estimate from sequence data that the Chad R1b-V88 Y chromosomes coalesced 5,700–7,300 years ago" during a migration from the Levant back into Africa. This was impossible because the Levant at this time was mainly occupied by Sub-Saharan Africans. Trenton W. Holliday, tested the hypothesis that if modern Africans had dispersed into the Levant from Africa, "tropically adapted hominids" would be represented in the archaeological history of the Levant, especially in relation to the Qafzeh-Skhul hominids. This researcher found that the Qafzeh-Skhul hominids (20,000-10,000),were assigned to the Sub-Saharan population, along with the Natufians samples (4000 BP). Holliday also found African fauna in the area. If the population was sub-saharan african and the flora and fauna was Sub-Saharan African in the Levant 7,300-4000 BP, the only people who would have made a back migration to Chad and Ethiopia during the proposed back migration of the authors would have been Africans, not Eurasians because their were no Eurasians living in the Levant. The idea that V88 originated in Eurasia and later deposited in Chad by Eurasians lacked any foundation in the first place. It lacked any foundation because V88 was supposed to be confined mainly to Africa. This article was another attempt to make it appear that R1 originated in Europe instead of Africa. The dates in this paper are all Eurocentric speculation meant to deny Africans currency in their own development. [/QB][/QUOTE]
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