International Journal of Evolutionary Biology / 2012 / Article / Fig 2

Research Article

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

Figure 2

Distribution of fitness effects for nonsynonymous mutations within species and the proportion of adaptive nonsynonymous substitutions between species. Data for D. melanogaster are shown in (a) and (b), while those for D. ananassae are shown in (c) and (d).

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