Which of the following would be an expectation of a stable hybrid zone in which hybrids are less fit than individuals of either parental species?

a. The two species will eventually fuse.
b. The hybrid zone is relatively narrow.
c. Gene flow will increase.
d. The width of the hybrid zone will increase.
e. One of the species will go extinct.


Ans: b. The hybrid zone is relatively narrow.

Biology & Microbiology

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