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Did humans interbreed in Cameroon
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[QUOTE]Originally posted by capra: [QB] [QUOTE]Originally posted by xyyman: [qb] To the newbies. To summarize. What the author is saying is that Paabo and Greene were WRONG. There was no Neanderthal admixture with AMH.... Paabo and Greene LIED!!![/qb][/QUOTE]A liar sees lies everywhere. "Indeed, evidence for occasional interbreeding events seems rather strong....", so no, he is *not* claiming there was no modern-archaic human interbreeding. E.g. Oase-1 appears to have recent Neanderthal ancestry which couldn't be explained by this model. The author is suggesting that Africans have a slightly faster average mutation rate than non-Africans, as a direct result of their higher genetic diversity (a mechanism called heterozygote instability, which this guy has done a lot of work on). As a result Africans have mutated slightly further from the human common ancestor than non-Africans have, leading to non-Africans being genetically closer to archaic humans than Africans are. Note that this wouldn't explain the signal of Denisovan admixture in Oceanians, as the artifact should be basically the same for Neanderthals and Denisovans. We'll have to see how well this actually holds up, and whether it can really explain the larger linkage disequilibrium distances between Neanderthal alleles in older aDNA samples. BTW the African reference samples are Yoruba, Mende, Luhya, Esan, Gambians, Afro-Caribbeans, and African-Americans. All True Negros lol. [/QB][/QUOTE]
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