S3 Fig -

<p>For each chromosome, the association between (A) P<sub>N</sub>/P<sub>S</sub> rates (y-axis) with heterozygosity (x-axis) (each sample is a red dot); (B) the synonymous site heterozygosity (x-axis) versus the nonsynonymous site heterozygosity (y-axis) (each sample is a blue square); and (C) the numbers of synonymous SNPs (x-axis) versus the numbers of nonsynonymous SNPs (y-axis). The blue line per plot is a linear model of the best fit between the two variables across the samples, with the 95% confidence interval shown by the grey area. The adjusted r<sup>2</sup> value for this model is shown on each plot.</p> <p>(PDF)</p>