From: Testing for adaptive evolution of the female reproductive protein ZPC in mammals, birds and fishes reveals problems with the M7-M8 likelihood ratio test
p (X2)
mammals p (parametric bootstrap)
p (robustness)
fishes p (parametric bootstrap)
M1a-M2a
1
100/100
0.97
57/100
32/100
M7-M8
0.004
<1/100
25/100
0.0006
52/100
M8a-M8
0.084
7/100
0.19
28/100