Red-Green Color Blindness Is a Sex-Linked Recessive Trait in Humans

question 171

Multiple Choice

Red-green color blindness is a sex-linked recessive trait in humans. If a carrier female (heterozygous for the trait) mated with an affected male, what would be the expected outcome(s) ?

• A)None of the offspring would be color blind.
• B)None of the daughters would be color blind.
• C)Half of the daughters would be color blind.
• D)All of the sons would be color blind.
• E)Half of the daughters would be color blind, and all of the sons would be color blind.

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