Hemophilia is more common in human males than | vedclass

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Question

(B) Hemophilia is an $X$-linked recessive disorder. In males,there is only one $X$ chromosome $(XY)$. If the $X$ chromosome carries the recessive gene

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$X$-linked recessive disorder.

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(B) Hemophilia is an $X$-linked recessive disorder. In males,there is only one $X$ chromosome $(XY)$. If the $X$ chromosome carries the recessive gene for hemophilia,the male will express the disease because there is no corresponding allele on the $Y$ chromosome to mask it. In females $(XX)$,both $X$ chromosomes must carry the recessive gene for the disease to be expressed. If only one $X$ chromosome carries the gene,the female is a carrier but does not show the disease. Therefore,the disease is significantly more common in males.

Hemophilia is more common in human males than in females because it is a:

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