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Baby fish exercising, a surprising source of adaptive variation in fish jaws


August 1, 2017

A frustration of evolutionary biologists, says Craig Albertson at the University of Massachusetts Amherst, is that genetics can account for only a small percent of variation in physical traits. He reports new results on how another factor, a behavior in early cichlid fish larvae's developmental environment, influences later variation in their craniofacial bones. Full Story

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University of Massachusetts Amherst

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