TABLE 3.
Contingency tables and G-test results for silent and replacement polymorphic and fixed variation in candidate female genes using D. melanogaster (Riverside) sequences and a putative orthologous D. simulans sequence
| Polymorphic
|
Fixed
|
|||||
|---|---|---|---|---|---|---|
| Gene | Silent | Replacement | Silent | Replacement | NI | P-valuea |
| CG10200 | 8 | 2 | 50 | 47 | 0.266 | 0.074 |
| CG5106 | 21 | 5 | 28 | 4 | 1.667 | 0.483 |
| CG5273 | 1 | 3 | 5 | 20 | 0.750 | 0.822 |
| CG9897 | 19 | 12 | 22 | 17 | 0.817 | 0.680 |
| CG13004 | 6 | 1 | 19 | 20 | 0.158 | 0.056 |
| CG17108 | 5 | 1 | 64 | 45 | 0.284 | 0.205 |
| CG17012 | 9 | 5 | 27 | 59 | 0.254 | 0.020 |
| CG8453 | 8 | 1 | 54 | 19 | 0.355 | 0.289 |
| CG5976 | 1 | 2 | 22 | 8 | 5.500 | 0.171 |
| All | 78 | 32 | 291 | 239 | 0.500 | 0.002 |
| All but CG17102 | 69 | 27 | 264 | 180 | 0.574 | 0.021 |
NI refers to the neutrality index (Rand and Kann 1996). “All” is a combined G-test on all nine loci and “All but CG17012” is an analysis with all loci except CG17012, which showed the greatest departures from homogeneity in the individual tests (see materials and methods).
a
Probability determined by a G-test. Values in italics indicate significance at P < 0.05.