Table 3. Between- and within-sibship variance of mate discrimination in hybrid females used in the QTL analysis.

Partner	Father	Mother	Offspring	Offspring	Between- Sibship Variance (Vp)	Within- Sibship Variance (Ve)
			Genome	Allelic set			P-Value (ANOVA)
G	GO	G	75%G, 25%O	GG or GO	26.031	0.129	< 0.001	F1,304 = 31.32
G	GO	O	25%G, 75%O	GO or OO	12.876	0.182	< 0.001	F1,304 = 70.59
G	OG	G	75%G, 25%O	GG or GO	19.38	0.16	< 0.001	F1,284 = 121.3
G	OG	O	25%G, 75%O	GO or OO	4.838	0.218	< 0.001	F1,201 = 22.18
O	GO	G	75%G, 25%O	GG or GO	1.108	0.074	< 0.001	F1,295 = 15
O	GO	O	25%G, 75%O	GO or OO	0.132	0.056	0.127	F1,264 = 2.34
O	OG	G	75%G, 25%O	GG or GO	0.297	0.066	0.034	F1,293 = 4.54
O	OG	O	25%G, 75%O	GO or OO	0.011	0.048	0.635	F1,198 = 0.24

G, N. giraulti; O, N. oneida; GO, F₂ male from N. giraulti male × N. oneida female cross; OG, F₂ male from N. oneida male × N. giraulti female cross.