Table 1.
Four classes of observed (empirical) tree topologies with their observed frequencies, observed frequencies among trees with >75% bootstrapping support, and simulated frequencies
| Class | Topology | Percent of topology | ||
|---|---|---|---|---|
| Empirical gene trees | Trees with >75% bootstrap support | Simulated trees | ||
| Class I | ((((bison,wisent),yak),(taurine,zebu)),buffalo)a | 26.91% | 53.57% | 26.54% |
| Class II | ((((taurine,zebu),yak),(bison,wisent)),buffalo) | 12.71% | 15.46% | 14.35% |
| ((((bison,wisent),(taurine,zebu)),yak),buffalo) | 11.90% | 15.40% | 13.46% | |
| Class III | ((((bison,yak),wisent),(taurine,zebu)),buffalo) | 4.70% | 2.42% | 3.48% |
| ((((wisent,yak),bison),(taurine,zebu)),buffalo) | 4.43% | 1.60% | 3.39% | |
| ((((taurine,yak),zebu),(bison,wisent)),buffalo) | 2.17% | 1.24% | 0.98% | |
| ((((zebu,yak),taurine),(bison,wisent)),buffalo) | 1.41% | 0.27% | 1.01% | |
| Class IV | ((((taurine,zebu),wisent),(bison,yak)),buffalo)b | 0.87% | 0.39% | 3.10% |
| ((((taurine,zebu),bison),(wisent,yak)),buffalo) | 0.90% | 0.45% | 3.10% | |
| Others | 33.99% | 9.20% | 30.61% | |
aIndicates the nuclear genome topology
bIndicates the mitochondrial topology