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why Australian Aborigenes have straight hair
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[QUOTE]Originally posted by AGÜEYBANÁ(Mind718): [QB] [QUOTE]Originally posted by xyyman: [qb] In other words. . . these groups, Eskimos etc, will lighten, in time, even if they ate fish for breakfast, lunch and dinner. LOL! according to opposing views to Jablonski/Chaplin. [/qb][/QUOTE]In Jablsonki's view they would retain the pigment levels that they possess if were to keep to traditional diet high in Vitamin D, in turn if changed, suffer vitamin D deficiency. On the other hand, according to your train of thought that it was simply the relaxation that human skin was already white in its ancestral state blah blah blah, then Eskimos would be just as pale as Europeans, or other East Asians (whom they share recent common ancestry with). Which they don't hence why we know something else is here at play, not simply the relaxation, play ignorant all you want. [QUOTE]Originally posted by xyyman: [qb]Not sure WHEN Europeans depigmented but populations to take about 3-5000yrs to depigment. See the Central Americans and South African Bantus timeline. Remember northern Europe (low UV – with the palest people) did not have people till about 5000bc. [/qb][/QUOTE]Humans have been in northern to southern Europe beginning with the Upper Paleolithic some 40kya, I don't know where you get your info from. But as noted they didn't become pale until tens of millenia later, and if they weren't under intense cold stress then they wouldn't have been gradually adapting cold body plans by the late upper paleolithic which they were see below... [QUOTE] Body proportions in Late Pleistocene Europe and modern human origins. T W Holliday [b]Results reveal a clear tendency for the EUP sample to cluster with recent Africans, while LUP and MES samples cluster with recent Europeans.[/b] These results refute the hypothesis of local continuity in Europe, and are consistent with an interpretation of elevated gene flow (and population dispersal?) from Africa, followed by subsequent climatic adaptation to colder conditions. [/QUOTE]^^So we know they were undergoing lower UV and cold stress by their limb proportions, but why no pale skin until tens of millenia later after the paleolithic xyy? [/QB][/QUOTE]
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