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Question

A holandric gene is man causes hypertrichosis. When a man with hairy ears marries a normal woman

A
the percentage of their sons would be 100% to have hairy ear
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B
half of daughters will have this trait
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C
ratio of hairy eared and normal child will be 1 : 2
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D
all correct
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Solution

The correct option is A the percentage of their sons would be 100% to have hairy ear
Since this is found only on the Y chromosome.

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