Which of the following is a sex-linked charac | vedclass

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(B) Red-green color blindness is a well-known $X$-linked recessive disorder.In this condition,the gene responsible for the trait is located on the $X$

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Red-green color blindness

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(B) Red-green color blindness is a well-known $X$-linked recessive disorder.In this condition,the gene responsible for the trait is located on the $X$ chromosome.Females have two $X$ chromosomes $(XX)$,so they only express the trait if they are homozygous recessive $(X^cX^c)$.Males have only one $X$ chromosome $(XY)$,so if they inherit the defective allele $(X^c)$,they will express the condition.Therefore,red-green color blindness is a classic example of a sex-linked trait.

Which of the following is a sex-linked character?

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