A post on the evolgen blog checks in on a new paper (in press at Nature Genetics) from Duke's Ralph Haygood and colleagues that tracks gene regulation -- in particular, cis regulatory regions -- as the major difference between chimps and humans. That helps to confirm the theory, posited in 1975 by Mary-Claire King and Allan Wilson, that regulatory regions would prove to be the differentiator between two species whose genome sequences are so similar.

 

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