A sex linked recessive gene C produces red green colour blindness in humans. A normal woman whose fa

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4.Principles of Inheritance and Variation

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A sex linked recessive gene $C$ produces red green colour blindness in humans. A normal woman whose father was colourblind marries a colourblind man. Of all the girls born to these parents what percentage is expected to be colourblind

A

$25$ percent

B

$50$ percent

C

$75$ percent

D

$100$ percent

Solution

(b)A normal woman whose father was colourblind is actually a carrier woman. So

Standard 12

Biology

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