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Politics : View from the Center and Left -- Ignore unavailable to you. Want to Upgrade?

To: neolib who wrote (239542)	12/7/2013 7:55:15 PM
From: koan	Read Replies (1) \| Respond to of 541794

I can't figure out how and when we got smart. And to confuse the question even more, the Neanderthal seem to have been as smart as we. And they are a different species. What did we know and when did we know it-lol.

To: neolib who wrote (239542)	12/7/2013 9:03:41 PM
From: Steve Lokness	Read Replies (1) \| Respond to of 541794

<<<< They were distinct lines, but everyone interbred at some point, so we have a bit of all of them >>>> I think the word by itself - interbred - may be a bit oversimplified here. If the offspring is viable - that would make them the same species wouldn't it? Soooo, any interbreeding maybe was waaaay early in the co-evolution of the two species. When I say waaaay back I mean before we have examples of their DNA. ............More to the point; they didn't interbreed with an end result of one specie as the genes mixed but rather waaaay back interbred and did so less and less often as the two species separated going their individual way. Then they didn't breed any more. Like us and any mammal - if you go back far enough there is a convergence of like genes. What 90% of our genes are the same as another mammal - that doesn't mean we bred with them though - just have genes in common. The end result; one specie ceased to exist as it became extinct, the other is doing rather great.