Male-Female Interactions and the Evolution of Postmating Prezygotic Reproductive Isolation among Species of the Virilis Subgroup
Figure 3
DAPI staining of eggs showing no nuclear division in an unhatched egg from a heterospecific cross (left panel) and a cluster of dividing nuclei at 2 hours after egg laying by a female mated to a conspecific male (a). Average proportion of fertilized eggs and associated standard error (b). Labels are as in Figure 1.
