Figure 3
From: Microevolutionary dynamics of a macroevolutionary key innovation in a Lepidopteran herbivore
Frequency distribution of dN/dS ratios (x-axis) from interspecific comparisons among 70 random genes between Pieris rapae and P. brassicae. The number of genes in each bin of a given ratio range are shown on the y-axis. The range of dN/dS across all pairwise comparisons of Pra Nsp domain 2 & 3 combined with Pbr Nsp domain 2 & 3 sequence is shown right of the histogram as a grey box. Analyses of domains 2 & 3 separately showed little difference from the combined analysis, and thus the latter was presented for greater figure clarity.