Proving common descent (Introduction)

by David Turell , Sunday, November 18, 2012, 22:26 (4389 days ago) @ David Turell

The eyes have it. Genetic traces of opsin production show the descent pattern.First opsin without function, then functional. then all sorts of eyes:
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> http://online.wsj.com/article/SB10001424052970204840504578086700901693588.html?mod=WSJ_... descent is also proven by convergence, which shows the inventiveness of DNA. Here a common insect and mammels have very similar hearing mechanisms. Our eeys are very like squid eyes.:-http://www.sciencemag.org/content/338/6109/968.abstract

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Proving common descent (Introduction)