Fig. 2.

Nonsynonymous diversity π_Ν supports kin selection, not direct selection, in prestalk cells. Violin plots (Fig. 1) for distributions from 10,000 resamples of the prestalk π_N: prespore π_N, the ratio of nonsynonymous nucleotide diversity π_N for genes expressed significantly more in prestalk to π_N for genes expressed significantly more in prespore. (A) All prestalk-biased genes (n = 992) and prespore-biased genes (n = 879). (B) Prestalk-biased genes (n = 145) and prespore-biased genes (n = 113) that are not expressed in the vegetative stage (Table S3).