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Message: <blockquote data-quote="WhiteWalker" data-source="post: 21057723" data-attributes="member: 548558"><p><span style="font-size: 15px"><p style="text-align: left">How suddenly did man change from black to white in Europe? Was it a gradual change over time or did it happen with a few mutations?</p></span></p><p style="text-align: left"><span style="font-size: 15px"></p></span></p><p style="text-align: left"><span style="font-size: 15px">An article in Scientific American quite a few years ago suggested that it took about 10,000 years for a population to become the “right” colour for the latitude at which it was living.</p></span></p><p style="text-align: left"><span style="font-size: 15px"></p></span></p><p style="text-align: left"><span style="font-size: 15px">There is no need for any new mutations. There are a number of genes that control skin colour present in all human groups. All that is needed is for the proportions of those genes, or rather the alleles of those genes, in the population to change.</p><p></span></p></blockquote><p></p>

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