Table 2. Numbers and proportions of genes for which the null model or the model with selection was the most likely in PAML’s branch-site tests of positive selection for each gene in autosomes, in PARs, in the black and color evolutionary strata, and for genes upregulated at the haploid stage.
| a1 mating-type | Null model | Model with selection | Model with selection among upregulated |
|---|---|---|---|
| Autosomal genes (MC02) | 6286 | 28 | 3 |
| PARs | 89 | 0 | 0 |
| Black stratum | 118 | 1 | 0 |
| Purple stratum | 8 | 0 | 0 |
| Blue stratum | 18 | 0 | 0 |
| Orange stratum | 7 | 0 | 0 |
| Red stratum | 23 | 0 | 0 |
| Green stratum | 3 | 0 | 0 |
| Color strata (pooled) | 59 | 0 | 0 |
| a2 mating-type | |||
| Autosomal genes (MC02) | 6262 | 41 | 7 |
| PARs | 89 | 0 | 0 |
| Black stratum | 105 | 1 | 0 |
| Purple stratum | 8 | 0 | 0 |
| Blue stratum | 17 | 0 | 0 |
| Orange stratum | 5 | 0 | 0 |
| Red stratum | 24 | 0 | 0 |
| Green stratum | 3 | 0 | 0 |
| Color strata (pooled) | 57 | 0 | 0 |