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Table 1 Different processes of molecular evolution produce different correlations between recombination rate and nucleotide divergence between species1.

From: Recombination rate and protein evolution in yeast

Model of evolution

Fitness effect of substitutions2

Correlation between recombination rate and divergence

Neutral

s = 0

None

Slightly deleterious

-1/(2N e ) <s < 0

Negative

Adaptive

s > 0

Positive

  1. 1 See text for details
  2. 2 The selection coefficient, s (-1 ≤ s < ∞), reflects the strength and direction of selection acting upon new mutations during the process of fixation