Hemophilia is more commonly observed in human | vedclass

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(C) Hemophilia is a sex-linked recessive disorder.It is caused by a mutation in the genes located on the $X$ chromosome.Since males have only one $X$

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This disease is caused by an $X$-linked recessive mutant gene.

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(C) Hemophilia is a sex-linked recessive disorder.It is caused by a mutation in the genes located on the $X$ chromosome.Since males have only one $X$ chromosome $(XY)$,a single recessive gene is sufficient to express the disease.In contrast,females have two $X$ chromosomes $(XX)$,so they require two copies of the recessive gene to express the disease,making them less likely to be affected compared to males.

Hemophilia is more commonly observed in human males than in human females because ....

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