Sex-linked disorders are mostly . . . . . . | vedclass

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(B) Sex-linked disorders are caused by mutations in genes located on the sex chromosomes ($X$ or $Y$).Most sex-linked disorders,such as hemophilia and

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Recessive

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(B) Sex-linked disorders are caused by mutations in genes located on the sex chromosomes ($X$ or $Y$).Most sex-linked disorders,such as hemophilia and color blindness,are $X$-linked recessive.In these cases,the disorder only manifests in the phenotype if the individual does not possess a functional dominant allele to mask the recessive mutation.Because males have only one $X$ chromosome (hemizygous),they are more frequently affected by $X$-linked recessive disorders than females,who have two $X$ chromosomes and can be carriers.

Sex-linked disorders are mostly . . . . . . .

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