SATHEE: Human Reproduction Ques 53

Human Reproduction Ques 53

53. Extra-embryonic membranes of the mammalian embryo are derived from

(a) inner cell mass

(b) trophoblast

(c) formative cells

(d) follicle cells

Show Answer

Answer : b

Hints & Solutions

(b) Four extra-embryonic membranes are present in mammals which originally arise from trophoblast viz. amnion, chorion, allantois and yolk sac. The trophoblast is the outermost layer of cells in morula.

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Human Reproduction

Human Reproduction Ques 53

53. Extra-embryonic membranes of the mammalian embryo are derived from

Answer : b

Hints & Solutions

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