Number of Progeny by Sex and Mitotype from Pure and Hybrid Crosses of Diploid and Triploid <i>Mytilus</i> Produced from Mothers Known to Produce Female-Biased Progeny.

Sex is scored as female, male or hermaphrodite. mtDNA content is scored as F (only maternal) or F+M (maternal and paternal). E: M. edulis, T: M. trossulus; P: pure-species, H: hybrid; D: diploid, T: triploid, Herm.: hermaphrodite.