How humans got their hands: Researchers reveal genetic mutation left us with just five fingers - and say they are similar to fish fins

A recent study identified two genes responsible for the formation of both fin rays and human fingers, which 'clearly establishes a molecular link' between them.
But fossil records show our ancestors were polydactyl, meaning they had more than five digits per hand, which has left experts wondering why we only have five.
Now, researchers have discovered that this major morphological change did not occur through the addition of new genes, but from a mutation that transpired within them.
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THE TRUTH ABOUT FINGERS  In August, researchers from the University of Chicago... read more

6 October 2016 in Science &Technology, Views: 43
Source: Daily Mail

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