Research Article

Inter- and Intraspecific Variation in Drosophila Genes with Sex-Biased Expression

Table 2

Rates of adaptive substitution in D. melanogaster and D. ananassae.

SpeciesBiasChrom.

D. melanogasterMaleAuto.14.09.1
X60.849.8
UnbiasedAuto.8.32.3
X24.612.5
FemaleAuto.16.18.3
X24.117.7

D. ananassaeMaleAuto. + X17.77.1
UnbiasedAuto. + X15.94.6
FemaleAuto. + X17.410.0

aNonsynonymous substitutions per 1,000 nonsynonymous sites.
bAdaptive nonsynonymous substitutions per 1,000 nonsynonymous sites.