Which of the following is not a postzygotic isolating mechanism?
A) Male gametes are not transferred to the female gametes.
B) Zygotes die early in embryogenesis.
C) Hybrids are inviable.
D) Hybrids are sterile.
E) Backcross hybrids are inviable.
Correct Answer:
Verified
Q10: Q11: A small population of a species invades Q12: Two bird species exhibit postzygotic isolation in Q13: The evolutionary species concept defines a species Q14: Resource partitioning occurs Q16: Allopatric speciation requires Q16: A cline is a(n)
A)when the same plants produce
A)complete geographic isolation.
B)overlapping distributions.
C)abutting distributions.
D)differences
A) temporal gradient in
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