Which layer of blastocysts gets attached to the endometrium?

Umbilical cord

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Trophoblast

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Inner cell mass

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Both (a) and (b)

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Solution

The correct option is B Trophoblast
The outer wall of the blastocyst i.e., the trophoblast gets attached to the endometrium of the uterus during implantation.

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Similar questions

Process in which the blastocyst gets attached to the walls of the uterus

A.	Trophoblast	(i)	Embedding of blastocyst in the endometrium
B.	Cleavage	(ii)	Group of cells that would differentiate as embryo
C.	Inner cell mass	(iii)	Outer layer of blastocyst attached to the endometrium
D.	Implantation	(iv)	Mitotic division of zygote

A	Zona hatching	(i)	mitotic division of the zygote
B	Trophoblast	(ii)	embedding of the blastocyst in the endometrium
C	Cleavage	(iii)	blastocyst releasing from zona pellucida
D	Implantation	(iv)	outer layer of blastocyst attached to the endometrium

\begin{matrix} Column I & Column II A. Trophoblast & 1. Embedding of blastocyst in the endometrium B. Cleavage & 2. Group of cells that would differentiate as embryo C. Inner cell mass & 3. Outer layer of blastocyst attached to the endometrium D. Implantation & 4. Mitotic division of zygote \end{matrix}

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