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Assertion XX-XY mechanism of sex determi...

Assertion XX-XY mechanism of sex determinatio occurs in human beings.
Reason:In human, the X-chromosome is longer than Y-chromosom.

A

Both Assertion and reason are true and the reason is a correct explanation of the Assertion

B

both Assertion and Reason are true and the Reason is not the correct explanation of the Assertion

C

Assertion is true, but the Reason is false

D

Assertion is false, but the reason is true

Text Solution

Verified by Experts

The correct Answer is:
B
vi. XX-XY mechanism of sex determination occurs in human being as wellas Drosophila. In this, XX zygotes become females, while XY become male. The size of X and Y-chromosomes is not similar, X is longer than Y-chromosome.
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