Table 3. Results of the LRT test of the models in Fitmodel for the bHLH Ia genes.

	M0	M3	M3+S1	M3+S2
lnL	−26059.06	−25848.39	−25656.58	−25707.45
ω1 ω2 ω3	0.08	0.01 0.07 0.20	0.00 0.07 0.32	0.01 0.19 58.10
p 1 p 2 p 3	1.00	0.31 0.51 0.17	0.40 0.42 0.18	0.65 0.34 0.00
R 01 R 02 R 12			1.59 1.59 1.59	1.66 9.02 434.75