Hypophosphatemia is manifested by an X-linked dominant allele. What proportion of the offspring from a normal male and an affected heterozygous female will manifest the disease?

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📊 Molecular Biology and Genetics

Q. Hypophosphatemia is manifested by an X-linked dominant allele. What proportion of the offspring from a normal male and an affected heterozygous female will manifest the disease?

(A) $${1 \over 2}$$ sons and $${1 \over 2}$$ daughters
(B) All daughters and no sons
(C) All sons and no daughters
(D) $${1 \over 4}$$ daughters and $${1 \over 4}$$ sons

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✅ Correct Answer: (A) $${1 \over 2}$$ sons and $${1 \over 2}$$ daughters

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