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Assertion : In humans, the gamete contri...

Assertion : In humans, the gamete contributed by the male determines whether the child produced will be male or female
Reason : Sex in human is a polygenic trait depending upon a cumulative efffect of some genes on X-chromosome and some on Y-chromosome .

A

If both Assertion and Reason are true and the Reason is a correct explanation of the Assertion .

B

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

C

If Assertion is true but the Reason is false .

D

If Both Assertion and Reason Are false

Text Solution

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The correct Answer is:
c
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Given below are assertion and reason. Point out if both re true with reason being correct explanation (A). Both are true but reason is not correct explanation (B), assertion is true but reason is wrong (C ) and bothare wrong (D). Assertion . In humans the gamete contributed by the male determines whether the child produced will be male or female. Reason. Sex in humans is polygenic trait dependent upon the com ulative effect of some genes on X-chromosome and some on Y-chromosome.

Gamete disseminated by the whom determines whether the child produced will be male or female in Homo sapiens:

Assertion(A): Gamete disseminated by the male determines whether the child produced will be male or female in Homo sapiens. Reason (R): Some genes on X-chromosome and Y-chromosomes determine the gender of the progeny. Its a polygenic trait.

Assertion In human, female sex is determined by XX chromosome Reason Male sex is determined by XY-chromosome

Assertion (A): In humans, males play an important role in determining the sex of the child. Reason (R): Males have two X chromosomes.

The chromosome that determines the male sex in human is called :

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