Assertion (A) In humans, the gamete contributed by the male determines whether the child produced will be male or female. Reason (R) Sex in humans is a polygenic trait, depending upon a cumulative effect of some genes on X-chromosome.

Question

Assertion (A) In humans, the gamete contributed by the male determines whether the child produced will be male or female. Reason (R) Sex in humans is a polygenic trait, depending upon a cumulative effect of some genes on X-chromosome. (A) If both A and R are true and R is the correct explanation of the A (B) If both A and R are true, but R is not the correct explanation of the A (C) If A is true, but R is false (D) If A is false, but R is true

Tardigrade Admin · Accepted Answer

Assertion is true, Reason is false. It can be corrected as In human, the gametes contributed by the male determines the sex of the child. Thus, sex in human is a polygenic trait depending upon a cumulative effect of some genes present on Y-chromosome and not on X-chromosome.

Q. Assertion (A) In humans, the gamete contributed by the male determines whether the child produced will be male or female. Reason (R) Sex in humans is a polygenic trait, depending upon a cumulative effect of some genes on X-chromosome.

If both A and R are true and R is the correct explanation of the A

If both A and R are true, but R is not the correct explanation of the A

If A is true, but R is false

If A is false, but R is true

Assertion is true, Reason is false. It can be corrected as In human, the gametes contributed by the male determines the sex of the child. Thus, sex in human is a polygenic trait depending upon a cumulative effect of some genes present on Y-chromosome and not on X-chromosome.

Q. Assertion (A) In humans, the gamete contributed by the male determines whether the child produced will be male or female.
Reason (R) Sex in humans is a polygenic trait, depending upon a cumulative effect of some genes on X-chromosome.