Which Statement About the X Chromosome Is True

question 34

Multiple Choice

Which statement about the X chromosome is true?

• A)Most of the X chromosome genes encode proteins that have no role in female sexual development.
• B)Heterozygous females are more severely affected by X-linked-dominant disorders than heterozygous males.
• C)When dominant alleles are present on the X chromosome, they are expressed in a recessive manner in the hemizygous state.
• D)When males have the unusual condition of two Y chromosomes and are missing the X chromosome, all physiologic function remains normal.

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