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Amazigh people and climate adaptation
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[QUOTE]Originally posted by osirion: [QB] [QUOTE]Originally posted by MindoverMatter718: [qb] [QUOTE]Originally posted by osirion: [qb] ^ it implies that Berbers are actually more European than Tishkoff suggests. [/qb][/QUOTE]No, all it tells us is why geographically proximate populations in northern Africa have lighter skin akin to Europeans. It tells us how much this allele associated with lighterskin is present in these populations(62-100%), but not how much European genes are actually found in Berber speakers, don't confuse the two. It implies that an allele for lighter skin was passed on to geographically proximate populations in northern Africa through said admixture, admixture as Tishkoff notes, which is all that's needed. From there, this allele most likely spread through sexual selection and genetic drift, not because more admixture from Europeans. As we can see from Tishkoff it's not there as heavily present as one would think, but the allele is, which can easily spread in a population due to sexual selection and genetic drift without any further admixture from Europeans. [/qb][/QUOTE]Basically what you are saying was my original position. However, it also means that the climate allowed for this gene to be expressed. If this allele was detrimental in the North African climate it certainly would not be represented in 62-100 percent of the population. [/QB][/QUOTE]
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