Table 2. Results from competition crosses.

M. edulis female	M. edulis male	M. trossulus male	Proportion of M. edulis sperm	Observed number of M. edulis larvae	Expected number of M. edulis larvae	Observed number of M. trossulus larvae	Expected number of M. trossulus larvae	G	Binomial Probability
A	E1	T1	0.005	129	129	11	11	0
	E2	T1	0.024	131	131	3	2	0
	E3	T1	0.009	129	77	5	57	108.4***	***
	E1	T2	0.005	132	124	2	10	10.03***	**
	E2	T2	0.024	136	138	5	3	1.133
	E3	T2	0.009	131	87	14	58	67.20***	***
E	E4	T3	0.136	213	216	4	1	5.120	***
	E5	T3	0.044	176	176	10	10	0
	E6	T3	0.434	140	139	0	1	2.000
H	E7	T5	0.024	93	91	18	20	0.250
	E8	T5	0.031	141	104	77	113	24.01***	***
	E9	T5	0.039	74	42	59	91	32.57***	***

Significance of G-statistics and exact binomial test results (*P<0.05; **P<0.01; ***P<0.001) were assessed using Bonferroni-adjusted alpha values.