Table 4 Rate of evolution of functional and non-functional genes on the neo-sex chromosomes
From: Genomic degradation of a young Y chromosome in Drosophila miranda
| Â | Â | Mean (median) | Mean (median) | ||||
|---|---|---|---|---|---|---|---|
| Â | No. of genes | dS neo-X | dN neo-X | dN/dS neo-X | dS neo-Y | dN neo-Y | dN/dS neo-Y |
All | 209 | 1.54 (1.22) | 0.31 (0.14) | 0.24 (0.10) | 2.18 (1.83) | 0.81 (0.69) | 0.50 (0.37) |
Functional | 122 | 1.51 (1.22) | 0.22 (0.12) | 0.19 (0.10) | 2.19 (1.89) | 0.61 (0.55) | 0.38 (0.25) |
Non-functional | 87 | 1.58 (1.27) | 0.44 (0.20) | 0.31 (0.14) | 2.17 (1.75) | 1.11 (0.90) | 0.67 (0.51) |