Question:

Assertion (A): Human female has a perfect pair of sex chromosomes.
Reason (R): Sex chromosome contributed by the human male in the zygote decides the sex of a child.

Updated On: Dec 11, 2024
  • Both (A) and (R) are true and (R) is the correct explanation of (A).
  • Both (A) and (R) are true, but (R) is not the correct explanation of (A).
  • (A) is true, but (R) is false.
  • (A) is false, but (R) is true.
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The Correct Option is B

Solution and Explanation

Human females have two identical sex chromosomes (XX). The sex of a child is determined by the sex chromosome (X or Y) contributed by the male, but this does not directly explain the ”perfect pair” in females.

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