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What are the four extraembryonic membranes found only in amniotes?

Option: 1

 Amnion, Yolk sac, Allantois, and Chorion


Option: 2

Amnion, Chorion, Blastocyst, and Trophoblast


Option: 3

Chorion, Yolk sac, Neural crest cells, and Somites


Option: 4

Blastocyst, Amniotic cavity, Placenta, and Allantois


Answers (1)

best_answer

The four extraembryonic membranes found only in amniotes are the amnion, yolk sac, allantois, and chorion.

Option a is the correct answer.

Posted by

seema garhwal

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