Multiple choice

Inner cell mass of the blastocyst forms which membranes

  1. embryo

  2. cord and placenta

  3. embryo and yolk sac

  4. cord and yolk sac
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The inner cell mass (embryoblast) of the blastocyst is responsible for forming the embryo itself and associated structures like the yolk sac and amnion, while the outer trophoblast forms the placenta.

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