A normal woman,whose father was colourblind,m | vedclass

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Question

(A) The woman is a carrier for colourblindness because her father was colourblind $(X^{C}X)$. The man is normal $(XY)$.The cross is as follows:Parents

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All daughters normal,$50 \%$ of sons colourblind

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(A) The woman is a carrier for colourblindness because her father was colourblind $(X^{C}X)$. The man is normal $(XY)$.The cross is as follows:Parents: $X^{C}X 	imes XY$Gametes: $X^{C}, X$ and $X, Y$Offspring genotypes:$X^{C}X$ (Carrier daughter,phenotypically normal)$XX$ (Normal daughter)$X^{C}Y$ (Colourblind son)$XY$ (Normal son)Thus,all daughters are phenotypically normal (though $50 \%$ are carriers),and $50 \%$ of the sons are colourblind.

$A$ normal woman,whose father was colourblind,marries a normal man. What kinds of children can be expected and in what proportion?

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