19. What stages or structures are haploid in the alternation of generations?
(A) Sporophytes, spores, gametes
(B) Gametophytes, gametes, zygotes
(C) Spores, gametophytes, gametes
(D)Spores, gametes, zygotes
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統計: A(0), B(1), C(0), D(0), E(0) #3207018
統計: A(0), B(1), C(0), D(0), E(0) #3207018