Table 2. McDonald-Kreitman tests of Relish variation for four species pairs.
Synonymous | Nonsynonymous | ||||
Species | Fixed | Polymorphic | Fixed | Polymorphic | G (p-value) |
D. yak/D. teiss | 28 | 50 | 5 | 7 | 0.15 (0.70) |
D. pse/D. mir | 24 | 7 | 24 | 3 | 1.37 (0.24) |
D. moj/D. ariz | 14 | 44 | 7 | 13 | 0.86 (0.35) |
a D. mel/D. sim | 40 | 41 | 89 | 10 | 37.5 (<10−4) |