If a Man with Classic Hemophilia (X-Linked Recessive) Has Children

question 17

Multiple Choice

If a man with classic hemophilia (X-linked recessive) has children with a woman who is a carrier for the disorder, what is the expected risk pattern?

• A)All sons will be unaffected; all daughters will be carriers.
• B)All sons will be carriers; all daughters will be affected.
• C)All sons have a 50% risk of the disorder; daughters will all either be affected or carriers.
• D)All sons will be carriers; daughters have a 50% chance of being a carrier and a 50% chance of being unaffected.

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Definitions:

Chronic Traumatic Encephalopathy

A progressive degenerative disease of the brain found in individuals with a history of repetitive brain trauma, often athletes and military veterans.

Symptoms

The signs and manifestations of a disease or condition experienced by an individual.

Glass Ceiling

Metaphor for the invisible barrier that prevents women and people of color from advancing to the highest levels of the career ladder.

Ethnic Minorities

Groups of people who differ in race, religion, or cultural background from the majority of the population in a particular place.