Hemophilia Is a Sex-Linked Recessive Trait in Humans

question 30

Multiple Choice

Hemophilia is a sex-linked recessive trait in humans. If a carrier female (heterozygous for the trait) mated with a nonaffected male, what would be the expected outcome(s) ?

• A)None of the offspring would have hemophilia.
• B)None of the daughters would have hemophilia.
• C)Half the daughters would have hemophilia.
• D)Half the sons would have hemophilia.
• E)None of the daughters would have hemophilia, and half of the sons would have hemophilia.

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Definitions:

Distinctiveness

How much an individual's behavior in a given situation differs from their behavior in other situations.

Consistency

The quality of always behaving or performing in a similar way, maintaining the same standards throughout.

Distinctiveness

The quality of being notably different or unique compared to others.

Traits

Enduring characteristics or qualities of an individual's personality that are consistent across different situations and time.