問題詳情

47. Which of the following represents the proper order of events in embryonic development?
(A)fertilization, cleavage, gastrulation, organogenesis, neurulation
(B)fertilization, cleavage, gastrulation, neurulation, organogenesis
(C) fertilization, gastrulation, neurulation, cleavage, organogenesis
(D)fertilization, gastrulation, cleavage, neurulation, organogenesis
(E)fertilization, gastrulation, cleavage, organogenesis, neurulation

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