Table 3. Frequencies of haplotype-phased GDF9, BMP15, and BMPR1B protein variants in U.S. sheep.

Protein	Protein variant code	Variant amino acids a	Sheep diversity panel (n = 96) b
GDF9	1	R87, E241, V332, V371	0.693
	2	R87, E241, I332, V371	0.245
	3	H87, K241, V332, V371	0.036
	4	R87, E241, V332, M371	0.026
BMP15	1	L11, R67, L252	0.656
	2	ΔL, R67, L252	0.250
	3	ΔL, R67, P252	0.083
	4	ΔL, Q67, L252	0.010
BMPR1B	1	M64, T345	0.948
	2	I64, T345	0.026
	3	M64, N345	0.026

^aThe bolded residues are those differing from “variant 1” in each gene.

^bThe protein variant frequency.