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Extra - embryonic membranes of the mammalian embryo are derived from
  • a)
    Inner cell mass
  • b)
    Trophoblast
  • c)
    Formative cells
  • d)
    Follicle cells
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Extra - embryonic membranes of the mammalian embryo are derived froma)...
The extra embryonic membranes of mammalian embryo are derived from trophoblast. After the cleavage of the zygote, blastocyst is formed. Then, trophoblast, the epithelial layer surrounding the blastocyst is formed. This trophoblast cells are destined to form most of the extra embryonic membranes in mammals.
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Extra - embryonic membranes of the mammalian embryo are derived froma)...
Four extraembryonic 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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Extra - embryonic membranes of the mammalian embryo are derived froma)Inner cell massb)Trophoblastc)Formative cellsd)Follicle cellsCorrect answer is option 'B'. Can you explain this answer?
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