A tale of two matrices: multivariate approaches in evolutionary biology.

  title={A tale of two matrices: multivariate approaches in evolutionary biology.},
  author={Mark W Blows},
  journal={Journal of evolutionary biology},
  volume={20 1},
  • Mark W Blows
  • Published 2007 in Journal of evolutionary biology
Two symmetric matrices underlie our understanding of microevolutionary change. The first is the matrix of nonlinear selection gradients (gamma) which describes the individual fitness surface. The second is the genetic variance-covariance matrix (G) that influences the multivariate response to selection. A common approach to the empirical analysis of these matrices is the element-by-element testing of significance, and subsequent biological interpretation of pattern based on these univariate and… CONTINUE READING
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