18. In the alternation of generations, what stages or structures are haploid?
(A)Sporophyte, spores, gametes
(B) Gametophyte, gametes, zygote
(C)Spores, gametophyte, gametes
(D) Spores, gametes, zygote
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統計: A(2), B(0), C(2), D(1), E(0) #3386685
統計: A(2), B(0), C(2), D(1), E(0) #3386685