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In each of the following questions, a statement of Assertion (A) is given and followed by corresponding statement of Reason (R). Of the statements, mark the correct answer as
(a) If both \( A \) and \( R \) are true and \( R \) is the correct explanation of the \( \mathrm{A} \)
(b) If both \( A \) and \( R \) are true, but \( R \) is not the correct explanation of the \( \mathrm{A} \)
(c) If \( A \) is true, but \( R \) is false
(d) If \( \mathrm{A} \) is false, but \( R \) is true
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.
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