Use Figure 25

question 21

Multiple Choice

Use Figure 25.3 to determine the BEST answers for the following question.
- When a population is in Hardy-Weinberg equilibrium and p = 0.1 and q = 0.9, what are the approximate genotypic frequencies?

• A) AA = 0.01, Aa = 0.18, aa = 0.81
• B) AA = 0.81, Aa = 0.18, aa = 0.01
• C) AA = 0.25, Aa = 0.5, aa = 0.25
• D) AA = 0.2, Aa = 0.6, aa = 0.2
• E) AA = 0.05, Aa = 0.4, aa = 0.55

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