Developmental toolbox of evolution

See:

http://www.eurekalert.org/pub_releases/2011-01/uocm-hfr010611.php

Article reads: “You have a common nail that’s used for many different pieces of furniture,” said Neil Shubin, PhD, Robert R. Bensley Professor of Organismal Biology & Anatomy at the University of Chicago and senior author of the paper. “This esoteric fish with this esoteric anatomical system is showing us something very fundamental about the evolutionary tree: that there’s a common process at work among disparate types of organisms.”

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