Hemophilia Is a Trait Carried by the Mother and Passed

question 26

Multiple Choice

Hemophilia is a trait carried by the mother and passed to her sons. The allele for hemophilia, therefore,

• A) is carried on one of the mother's autosomal chromosomes.
• B) is carried on the Y chromosome.
• C) can be carried on the X or Y chromosome.
• D) is on the X chromosome and can only be inherited by the son if the mother is a carrier (heterozygous).
• E) is carried in the mitochondrial genome because sons inherit this allele from their mothers.

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