Genetic constraints on adaptation to a changing environment.

@article{Chevin2013GeneticCO,
  title={Genetic constraints on adaptation to a changing environment.},
  author={Luis-Miguel Chevin},
  journal={Evolution; international journal of organic evolution},
  year={2013},
  volume={67 3},
  pages={708-21}
}
Genetic correlations between traits can constrain responses to natural selection. To what extent such correlations limit adaptation depends on patterns of directional selection. I derive the expected rate of adaptation (or evolvability) under randomly changing selection gradients. When directional selection gradients have an arbitrary covariance matrix, the average rate of adaptation depends on genetic correlations between traits, contrary to the isotropic case investigated in previous studies… CONTINUE READING
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