問題詳情

62. If an egg cell contained EDTA~ a chemical that binds calcium and magnesium, what effects would this have onreproduction?
(A) The acrosomal reaction would be blocked.
(B) The fusion of sperm and egg nuclei would be blocked.
(C) The fast block to polyspermy would not occur.
(D) The fertilization envelope would not be formed.
(E) The zygote would not contain maternal and paternal chromosomes.

參考答案

答案:D
難度:適中0.428571
統計:A(1),B(1),C(3),D(9),E(0)

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