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Question

A normal woman whose father is color blind but the mother is normal, marries a hemophilic man with hypertrichosis. What percentage of progeny will show genotypically any two of the traits out of the three mentioned above at a given time

A
50
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B
25
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C
0
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D
75
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Solution

The correct option is A 50
Sex-linked inheritance is a condition in which the characteristics are transferred from the parent to the offspring via the sex chromosomes. On solving the Punnett square, we can see that the carrier female of colorblindness and the hemophiliac man with hypertrichosis will produce offspring, out of which only 50% will express genotypically any two of the traits out of the three mentioned above at a given time

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