A woman with two genes for haemophillia and one gene for colourblindness on one of X chromosomes mar

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4.Principles of Inheritance and Variation

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A woman with two genes for haemophillia and one gene for colourblindness on one of the $X$ chromosomes marries a normal man. How will the progeny be

A

All sons and daughters haemophillic and colourblind

B

Haemophillic and colourblind daughters

C

$50\%$ haemophillic colourblind sons and $50\%$ normal sons

D

$50\%$ haemophillic daughters and $50\%$ colourblind daughters

(AIPMT-1998)

Solution

It's Obvious

Standard 12

Biology

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