Hundreds of Neanderthals' genes were turned off while the identical genes in today's humans are turned on, the international team announced in a paper published online in Science. They also found that hundreds of other genes were turned on in Neanderthals, but are off in people living today. Among the hundreds: genes that control the shape of limbs and the function of the brain, traits where modern humans and Neanderthals differ most. "People are fundamentally interested in what makes us human, in what makes us different from Neanderthals," said Sarah Tishkoff, an expert in human evolution at the University of Pennsylvania, who was not involved in the new study. via Health News Headlines - Yahoo News Read More Here..
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