Evolutionary constraints in high-dimensional trait sets.

  title={Evolutionary constraints in high-dimensional trait sets.},
  author={Emma Hine and Katrina McGuigan and Mark W Blows},
  journal={The American naturalist},
  volume={184 1},
Genetic variation for individual traits is typically abundant, but for some multivariate combinations it is very low, suggesting that evolutionary limits might be generated by the geometric distribution of genetic variance. To test this prediction, we artificially selected along all eight genetic eigenvectors of a set of eight quantitative traits in Drosophila serrata. After six generations of 50% truncation selection, at least one replicate population of all treatments responded to selection… CONTINUE READING
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