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White Europeans speak about black Europeans
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[QUOTE]Originally posted by Elmaestro: [QB] Responding to this comment here because it seems like a more apropriate place to.. [QUOTE]Originally posted by xyyman: So the pre-historic pattern are being confirmed over and over and over again. The "meta-population" that FIRST left Africa, >40,000ya, radiated from Africa to the East Asia, North East and even Northern and Western Europe. Aesthetics(visuals) aside these were populations heavily related to modern Asians like Onge, Dravidians, East Asians, Native Americans. Keeping in mind KOS14 was closest related to Makrani. The second major wave occurred about 8-10,000ya. Also commencing from Africa. But they only conquered population in Western and Southern Europe. Further North and East they had less of an effect. That is why Finns and other North Europeans carry MORE ANE and East Asians carry less Basal Eurasians DNA. That is why East Asian also carry MORE Neanderthal and Denisovan "genes?". Keep in mind this has absolutely nothing to do with race or blue eyes and pale skin. The science of it is this "metapopulation" had black skin and black hair, some carried blue eyes. The skin phenotype entered Europe within these new migrating SSA Africans(Shriver et al etc). [b][i] There are still some unanswered questions, like, what are the genes that made East Asians light skinned. [/b][/i] Are they the same as modern Europeans. My guess is an emphatic ...no! my money is on ASIP. Similar to the Khoi-San. The African population with closest affinity to East Asians [/QUOTE]This question has been answered already (Norton et. al 2007), They (E.Asians & Europeans including Near-middle easterners) do not share the same genes for hipopigmentation, which is part of the enigma in solving the mechanism behind pigment diffusion in different populations. Though not directly said to be responsible for the wide spread lightening of E.Asian populations by scholarship, I'd guess that the fact that over 80% of E.Asian sharing Han genes might be the leading contributor for East Asian lightening,along with well documented cases sexual selection in preference for fairer skin[i] relatively recently[/i]. The MC1r coding region (melanogenenic regulator) thought to have been the leading reason behind pigmentation variation has notable differences between Asians and other non Africans as gathered by Rana et al 1999. To strengthen your case that the Basal European wave of Africans didn't mix with east Asians, it is found that Asians have a more Diverse Mc1r coding region (second only to SSA) and have low levels of polymorphisms in that region as well (second only to africans). [i]sidenote: Despite the fact that Africans generally have higher degrees pf polymorphism/variation, the respectively low MC1r indexes suggest positive SELECTION for this particular mechanism btw, which transferred over to the asians...[/i] Which brings me to your postulation that it is in the [b]ASIP[/b]... No, silly its different mutations within the OCA2 loci that separates Asians form Europeans, The Koisan share this "variation" with both groups, however along with the East Asians, lack polymorphisms in other genes regulating skin tone such as Tyr & MATp (Norton 2007) also from the same study [QUOTE][i]further supporting the importance of OCA2 in regulating normal variation in pigmentation. The widespread distribution of the derived allele in the CEPH-Diversity Panel [b]suggests that it is not necessarily a new mutation, nor has it been restricted to a specific geographic area.[/b] Interestingly, derived allele frequencies at this locus are quite different between Native American (15%) and East Asian populations (45%), suggesting that perhaps the derived allele at this locus did not reach very high frequencies in East Asians until after the colonization of the Americas.[/QUOTE]10.1093/molbev/msl203[/i] ASIP while it does share a role in melanogenesis, It isn't responsible for differences in pigment dilution... Reason why I know this...Tropically adapted Melanesian populations score the highest in polymorphism @ ASIP... EastAsians score the lowest among OOAs. Also as it relates to what [URL=http://www.egyptsearch.com/forums/ultimatebb.cgi?ubb=get_topic;f=8;t=009507;p=1#000023]I believe about African pigmentation,[/URL] everything posted here so far makes complete sense...so far [/QB][/QUOTE]
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