Model
|
ω (Human)
|
ω (Mouse)
|
ω (Dog)
|
Log-likelihood
|
Number of parameters
|
P value
|
---|
Free-ratios
|
0.3423
|
0.1082
|
0.0884
|
-6947.6716
|
7
| |
Free-ratios(fix)
|
1
|
0.0973
|
0.0732
|
-6963.5371
|
6
|
1.77E-08
|
- Note: if the neutral evolution occurred in human lineage, then the log-likelihood should not change much after the ω is fixed at 1. Our data reject this neutral model with a significant difference.