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. 2007 Mar 9;104(12):4996–5001. doi: 10.1073/pnas.0608424104

Table 4.

Mean difference in substitution parameters between the D. sechellia and D. simulans orthologs of Or/Gr or control genes

Parameter Ors + Grs, mean difference Controls, mean difference Wilcoxon test P value
sec–sim Ks 0.0040 0.0073 0.9
sec–sim Ka 0.0030 0.0018 <0.0001
sec–sim Ka/Ks 0.125 0.028 0.0001

The Wilcoxon testP value tests the null hypothesis that the mean difference b/n Or/Grorthologs is the same as that b/n control gene orthologs. sec,sechellia;sim,simulans.