Select the correct explanation for the labels A, B, C and D.

A represents the fertilised zygote.

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B represents the stage of morula formation.

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C represents the blastocyst.

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D represents the blastocyst implantation.

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Solution

The correct option is D
D represents the blastocyst implantation.

In the given figure, A represents the fusion of male and female gametes, B is 4 celled blastomere. C shows the morula stage, i.e., an embryo with 8 blastomeres and D is the blastocyst which gets implanted in the uterus.

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Similar questions

The diagram below represents the development of a human zygote from fertilization to the late blastocyst stage.

Select a correct statement from the following options

	Developmental stage	Site of implantation
(a)	Late morula -	Middle part of Fallopian tube
(b)	Blastula -	End part of Fallopian tube
(c)	Blastocyst -	Uterine wall
(d)	8-cellec morula -	Starting point of Fallopian tube

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