| Taxa group | mean BoE | sd | n |
---|
1 | Primate | 0.09 | 0.22 | 2359 |
2 | Mammalian | 0.14 | 0.27 | 3783 |
3 | Vertebrate | 0.28 | 0.32 | 14518 |
4 | Animal | 0.24 | 0.31 | 12329 |
5 | Eukaryotic | 0.35 | 0.36 | 1757 |
- NOTE: each taxon group excludes duplications mapping to taxa of preceding groups. For example, the vertebrate group consists of vertebrate duplications which are not mammalian. All pairwise comparisons were significantly different with very low P-values (see Additional file 5: Table S3).