Gene enhancer in evolution of human opposable thumb

Scientists have discovered a gene enhancer, known as HACNS1, that may have contributed to the evolution of the uniquely opposable human thumb, and possibly also modifications in the ankle or foot that allow humans to walk on two legs, according to a paper published in Science on Sept. 5, 2008.

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<p><a href="http://www.physorg.com/news139757469.html">Gene enhancer in evolution of human opposable thumb</a></p> <p>Scientists have discovered a gene enhancer, known as HACNS1, that may have contributed to the evolution of the uniquely opposable human thumb, and possibly also modifications in the ankle or foot that allow humans to walk on two legs, according to a paper published in <I>Science</I> on Sept. 5, 2008.</p>