A normal woman,whose father was colorblind,ma | vedclass

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(B) Colorblindness is an $X$-linked recessive disorder.Let $X^C$ represent the allele for normal vision and $X^c$ represent the allele for colorblindn

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$50\%$ colorblind

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(B) Colorblindness is an $X$-linked recessive disorder.Let $X^C$ represent the allele for normal vision and $X^c$ represent the allele for colorblindness.The woman's father was colorblind $(X^cY)$,so she must be a carrier $(X^CX^c)$.The man is normal $(X^CY)$.The cross is: $X^CX^c 	imes X^CY$.The possible offspring are: $X^CX^C$ (normal daughter),$X^CX^Y$ (normal son),$X^CX^c$ (carrier daughter),and $X^cY$ (colorblind son).Among the sons,$50\%$ are normal $(X^CY)$ and $50\%$ are colorblind $(X^cY)$.

$A$ normal woman,whose father was colorblind,marries a normal man. What will be the status of their sons?

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