Table 1.

Gene number in each group.

Class	Expression pattern	Endosperm		Mesocarp
		Total gene num	Non-additive gene num	Total gene num	Non-additive gene num
1	LP < H < HP	459	223	404	181
2	LP < H = HP	8,040	8,040	6,904	6,904
3	LP = H < HP	5,211	0	4512	0
4	LP = H = HP	41,500	6,015	42,358	13,082
5	LP < HP < H	2,478	2,478	3,794	3,794
6	LP = HP < H	283	283	876	876
7	H < LP < HP	464	0	116	0
8	H < LP = HP	643	0	114	0
	Total	59,078	17,039	59,078	24,837

LP: low parent, H: hybrid (Tenera), HP: high parent; <, > means at least two fold change (FC); = means the fold change is small than 2.