One Possible Outcome of Hybridization Is Fusion of Two Species

Multiple Choice

One possible outcome of hybridization is fusion of two species. Which of the following conditions is most likely to increase the probability of fusion of the two species as a result of hybridization?

A) no reproduction occurs in the hybrid zone
B) an increasing number of infertile hybrids is produced over the course of the next 100 generations
C) an increasing number of viable, fertile hybrids is produced over the course of the next 100 generations
D) a decreasing number of viable, fertile hybrids is produced over the course of the next 100 generations