Multiple Choice
_____ is the idea that, if postzygotic isolating mechanisms exist between two species, then natural selection will favor traits that lead to the evolution of prezygotic isolating mechanisms.
A) Hybrid breakdown
B) Reinforcement
C) Gametic isolation
D) Phylogenetic species
E) Hybrid inviability
Correct Answer:

Verified
Correct Answer:
Verified
Q4: In most cases, different species are distinguished
Q5: What two factors are thought to play
Q6: Which of the following are homologous?<br>A) bat
Q7: Based on the gene tree in Figure
Q8: Before the advent of molecular techniques, researchers
Q10: How has molecular data helped resolve the
Q11: The neutral-mutation hypothesis does NOT suggest that:<br>A)
Q12: (a) What is a molecular clock? (b)
Q13: Which reproductive isolating mechanism is exhibited by
Q14: How much genetic differentiation is required for