Assertion :
In the morula stage, the cell divides without increases in size.
Reason: Zona pellucida remains till cleavage.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
A morula is an early-stage embryo consisting of 16 cells in a solid ball contained within the zona pellucida.
So the correct option is 'If both A and R are true and R is the correct explanation of A'.

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