Table 1. Distribution of late- and early-feathering chickens, and gene and genotype frequencies for K gene in feather-sexing foundation stocks

Stocks	Tested chickens	No. chickens		Gene frequency		Genotype frequency
		Late-feathering	Early-feathering	K	k	KK	Kk	kk
A	830	100	730	0.062	0.938	0.004	0.116	0.880
B	1,220	321	899	0.142	0.858	0.020	0.244	0.736
C	1,128	415	713	0.205	0.795	0.042	0.326	0.632
D	2,470	0	2,470	0.000	1.000	0.000	0.000	1.000