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Becky Fuller

Study tracks genomic changes that reinforce darter speciation

December 2, 2019

When they share habitat, orangethroat and rainbow darters tend to avoid one another, even though they are closely related and can produce “hybrid” offspring. The males compete with males of their own species and will almost always ignore females of the other species. A new study offers an analysis of the genomic changes that occur when these fish hybridize, offering insight into the gradual accumulation of incompatible traits that likely drives them to diverge.

December 2, 2019

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