Figure 1From: Positive selection for unpreferred codon usage in eukaryotic genomesDistribution of Kp/Ku ratios from genes exhibiting at least 10 synonymous substitutions in (A) Cryptococcus (n = 4,993 genes; mean = 1.06; st. dev. = 0.70), (B) Saccharomyces (n = 4,878 genes; mean = 1.21; st. dev. = 0.90), and (C) Drosophila (n = 4,800 genes; mean = 1.27; st. dev. = 0.93).Back to article page