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Politics : Formerly About Advanced Micro Devices -- Ignore unavailable to you. Want to Upgrade?

To: combjelly who wrote (247272)	8/24/2005 3:19:57 PM
From: tejek	Read Replies (3) \| Respond to of 1572134

That is true, but the number of genes would be small. The real importance of this is that it puts to rest one of the two schools of thought on the evolution of modern humans. One, with mainly European adherents, is that modern humans evolved out of their local neandertal populations. The basic idea is that the various peoples occupied their given area for a very long time. I've had some major problems with this one, if for no other reason it strikes me as odd that all of the neandertal populations evolved in the same way. The other, i.e. the American approach, is that we are all immigrants. Modern humans swept out of Africa and displaced the natives with little, if any, mixing. Has anyone explained the variations in skin color other than black skin having a decided advantage over white skin in equatorial climates? I mean, whites evolved in generally the same latitude as 'red' skinned Indians, 'yellow' skinned Asians and dark skinned eskimos. Why the color variations? Did color simply accompany a trait that was needed for the survival of a particular group? ted