Table 4.

The number of F₂siblings obtained from Cross I

Criteria of classification		Present	Absent	Not determined	Total
Y gene		55 (male)	23 (female)	0	78
SLa transgene	male	19	32	5	78
female	12	8	2
B allele	male	32	23	0	78
female	15	8	0
R allele	male	25	19	11	78
female		12	8	3