TABLE 2.
The Ka and Ks values for homologous gene pairs in cotton.
| Paralogous | Ka | Ks | Ka/Ks |
| GhEXO3_At/GhEXO17_At | 0.354 | 1.735 | 0.204 |
| GhEXO1_At/GhEXO6_Dt | 0.757 | 4.174 | 0.181 |
| GhEXO3_At/GhEXO17_Dt | 0.368 | 1.521 | 0.242 |
| GhEXO1_At/GhEXO1_Dt | 0.004 | 0.039 | 0.108 |
| GhEXO2_At/GhEXO2_Dt | 0.022 | 0.037 | 0.586 |
| GhEXO3_At/GhEXO3_Dt | 0.024 | 0.062 | 0.388 |
| GhEXO4_At/GhEXO4_Dt | 0.024 | 0.056 | 0.424 |
| GhEXO5_At/GhEXO5_Dt | 0.004 | 0.043 | 0.090 |
| GhEXO6_At/GhEXO6_Dt | 0.009 | 0.057 | 0.158 |
| GhEXO7_At/GhEXO7_Dt | 0.009 | 0.049 | 0.184 |
| GhEXO8_At/GhEXO8_Dt | 0.007 | 0.025 | 0.269 |
| GhEXO9_At/GhEXO9_Dt | 0.020 | 0.046 | 0.441 |
| GhEXO10_At/GhEXO10_Dt | 0.014 | 0.021 | 0.664 |
| GhEXO11_At/GhEXO11_Dt | 0.006 | 0.044 | 0.127 |
| GhEXO12_At/GhEXO12_Dt | 0.010 | 0.051 | 0.205 |
| GhEXO13_At/GhEXO13_Dt | 0.008 | 0.017 | 0.472 |
| GhEXO14_At/GhEXO14_Dt | 0.012 | 0.033 | 0.364 |
| GhEXO15_At/GhEXO15_Dt | 0.013 | 0.025 | 0.506 |
| GhEXO16_At/GhEXO16_Dt | 0.017 | 0.148 | 0.117 |
| GhEXO17_At/GhEXO17_Dt | 0.034 | 0.137 | 0.249 |
| GhEXO18_At/GhEXO18_Dt | 0.009 | 0.055 | 0.167 |
| GhEXO19_At/GhEXO19_Dt | 0.015 | 0.071 | 0.214 |
Ka: non-synonymous, Ks: synonymous.