Hybrid sterility is NOT common when:
A) the gametes of an interspecific hybrid are abnormal.
B) the two parental species have different chromosome numbers.
C) chromosomal synapsis during meiosis cannot occur properly.
D) chromosomal segregation during meiosis cannot occur properly.
E) there are prezygotic barriers.

Question

Quizplus · Accepted Answer

Hybrid sterility is a postzygotic barrier, meaning it occurs after fertilization. Prezygotic barriers prevent fertilization from occurring in the first place, so they do not lead to hybrid sterility.

Hybrid Sterility Is NOT Common When