Table 5. Mitochondrial Segregation Pattern in Pure and Hybrid Crosses of Diploid and Triploid Mytilus.

Cross Number	Parents	Type of Cross	Type of Progeny	Sex Ratio Bias of Mother	Number of Embryos with Aggregate Segregation Pattern	Number of Embryos with Dispersed Segregation Pattern
1	X102E x Z101C	ExE	PD	Female	0	16
2	X102E x (02WF01x01WM05)1	ExH	HD	Female	2	14
3	(X102Cx98WM4)A x (98AxZ101A)1	ExE	PD	Female	0	16
4	(X102Cx98WM4)A x (98AxZ101A)1	ExE	PT	Female	0	40
				Total Female Bias	2	86
5	(98AxWM8)a x Z101C	ExE	PD	Male	12	4
6	(98AxWM8)a x(02WF01x 01WM05)1	ExH	HD	Male	14	2
7	X102N x (98AxZ101C)2	ExE	PD	Male	32	3
8	X102N x (98AxZ101C)2	ExE	PT	Male	10	2
				Total Male Bias	68	11

E: M. edulis, P: pure-species, H: hybrid; D: diploid, T: triploid.