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

This question consists of two statements,namely,Assertion (A) and Reason (R).For selecting the correct answer,use the following code:

(a) Both Assertion (A) and Reason (R) are true and Reason (R) correct explanation of Assertion (A).

(b) Both Assertion (A) and Reason (R) are true but Reason (R) is not a correct explanation of Assertion (A).

The correct answer is :(a) /(b) /(c) /(d)

Examine the figures A, B, C and D. Select the correct option for labelling them.

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