試題詳解

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