Brawn trumps beauty and sex trumps fitness on the evolutionary battlefield
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Brawn trumps beauty and sex trumps fitness on the evolutionary battlefield

Experiments with zebrafish capture evolution in action as scientists observe the ousting of genetic traits over generations. In a study released yesterday in the journal Evolution, demonstrated how evolutionary forces led to the extinction of a particular genetic trait in the laboratory. Researchers from Purdue University studied 18 different groups of zebrafish containing both wild-type males … Continue reading