Independently evolved pollution resistance in four killifish populations is largely explained by few variants of large effect
Jeffrey T. Miller,
Bryan W. Clark,
Noah M. Reid
et al.
Abstract:The genetic architecture of phenotypic traits can affect the mode and tempo of trait evolution. Human‐altered environments can impose strong natural selection, where successful evolutionary adaptation requires swift and large phenotypic shifts. In these scenarios, theory predicts that adaptation is due to a few adaptive variants of large effect, but empirical studies that have revealed the genetic architecture of rapidly evolved phenotypes are rare, especially for populations inhabiting polluted environments. … Show more
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