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Assertion: During zygotene, chromosmes s...

Assertion: During zygotene, chromosmes show bivalent stage.
Reason: Bivalent is half the number of chromosomes

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reson is false.

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
B
During zygotene, becaue of the pairing of the homologues, the nucleus contains half the number of chromosomes. Each unit is bivalent composed of two homologous chromosomes.
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