問題詳情
19. If goats are crossed with sheep, embryos will form but cease development and spontaneously abort. This is an example of
(A)a prezygotic mechanism.
(B)hybrid inviability.
(C)hybrid sterility.
(D)hybrid breakdown.
(E)spermatic behavior.
(A)a prezygotic mechanism.
(B)hybrid inviability.
(C)hybrid sterility.
(D)hybrid breakdown.
(E)spermatic behavior.
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