Question

How is a blastocyst formed?Name the 2 layers present in it​

Answer 1

Answer:

The blastocyst possesses an inner cell mass from which the embryo will develop, and an outer layer of cells, called the trophoblast, which will eventually form the placenta. This layer is derived from the inner cell mass and lies in opposition to the endoderm.

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Answer 2

Answer:

It possesses an inner cell mass (ICM) which subsequently forms the embryo. The outer layer of the blastocyst consists of cells collectively called the trophoblast. This layer surrounds the inner cell mass and a fluid-filled cavity known as the blastocoel. The trophoblast gives rise to the placenta

Explanation:

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