Back to the future: genetic correlations, adaptation and speciation

  title={Back to the future: genetic correlations, adaptation and speciation},
  author={Sara E. Via and David J. Hawthorne},
Genetic correlations can affect the course of phenotypic evolution. Although genetic correlations among traits are a common feature of quantitative genetic analyses, they have played a very minor role in recent linkage-map based analyses of the genetic architecture of quantitative traits. Here, we use our work on host-associated races in pea aphids to illustrate how quantitative trait locus (QTL) mapping can be used to test specific hypotheses about how genetic correlations may facilitate… CONTINUE READING
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