Table 1.

Homoeologous group identification and categorization of the BBI gene family in wheat

Category number	Homoeologous group (A:B:D)	Number of groups	Number of genes	% of genes
1	1:1:1	7	21	36.8
2	2:1:1 and 1:2:1	2	8	14
3	1:1:0 and 0:1:1	2	4	7
4	0:4:0	1	4	7
5	2:2:1 and 2:0:2	2	9	15.8
6	Singletons	11	11	19.4
–	Total	25	57	100