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Trophoblast of embryo derive-

Option: 1

Follicle cell


Option: 2

Corpus albicans


Option: 3

Extra embryonic membranes


Option: 4

Blastocoel


Answers (1)

best_answer

Trophoblast is the layer of cells encircling the blastocoel and inner cell mass. The latter gives rise to the embryo. The cells of the trophoblast form the placenta and foetal membrane. 

Option 3 is the correct answer. 

Posted by

Kshitij

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