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Science · 2023 · 1 mark
CBSE 2023 · Region 1 · Set 1 · Q18
Assertion (A): Genes inherited from the parents decide the sex of a child. Reason (R): X chromosome in a male child is inherited from his father.
Assertion (A) : Genes inherited from the parents decide the sex of a child.
Reason (R) : X chromosome in a male child is inherited from his father.
Official answer
(C)
(A) is true, but (R) is false.
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CBSE Class 10 Science past-paper question from the 2023 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.