Table 2. AIC scores and likelihood estimates for the data set analyzed for each model implemented by ChromEvol software.

Models	Log-likelihood	AIC scores
Gain, Loss and Duplication constant*	−56.91	119.8
Gain and Loss constant, no duplication	−58.01	120
Gain, Loss and duplication constant, Gain and Loss depend linearly on the current chromosome number	−55.67	121.3
Gain and Loss constant, Gain and Loss depend linearly on the current chromosome number, no duplication	−57.37	122.7

*Best fitting model.