Figure 2. mtDNA content and sex of progeny of a male-biased mother crossed with a male of its own or of a different species.

A) Homospecific cross. The majority of progeny are males (25 out of 30). These progeny and the single hermaphrodite carried the mtDNA of both parents. Four progeny were females and contained only the mother's mtDNA. B) Hybrid cross. All progeny, but one, were males and all carried the mtDNA of both parents. The single hermaphrodite carried only the mother's mtDNA.