Hemophilia is caused by an abnormal gene on:

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Quizplus · Accepted Answer

Hemophilia is an X-linked genetic disorder, which means it is caused by a mutation on the X chromosome. Females inherit two X chromosomes, while males inherit only one X chromosome from their mother and one Y chromosome from their father. If a male inherits an X chromosome with the hemophilia gene mutation from his mother, he will have hemophilia as he does not have a second X chromosome to compensate for the mutation. Females can inherit one mutated X chromosome and one normal X chromosome, making them carriers of the disease, but they are usually not affected by it.

Hemophilia Is Caused by an Abnormal Gene On