Albinism Is a Recessive Trait Controlled by a Single Gene

question 45

Multiple Choice

Albinism is a recessive trait controlled by a single gene. If the frequency of albinos in a population is 0.25, what is the expected frequency of heterozygotes for this trait? (Hint: use the Hardy-Weinberg formula)

• A) 0.25
• B) 0.50
• C) 0.75
• D) 0.90
• E) It is not possible to determine with the information provided.

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