Answer :

Final answer:

The subject of the question is Biology, specifically population genetics and the Hardy-Weinberg principle. The grade level is High School. The question asks to calculate the frequency of the AA genotype using a given allele frequency (p = 0.4) and the Hardy-Weinberg equation, which yields a frequency of 0.16.

Explanation:

The question involves determining the new allele frequency in a population after one generation, which relates to the Hardy-Weinberg principle. This principle provides a mathematical model for predicting the expected frequencies of different genotypes in a population under certain conditions of equilibrium. When these conditions are not met, allele frequencies may change, indicating evolution. To calculate the frequency of the AA genotype in a population with a known frequency of allele A (p = 0.4), you would use the Hardy-Weinberg equation: p² + 2pq + q² = 1. Since p + q = 1, if p = 0.4, then q = 0.6. Therefore, the frequency of the AA genotype (p²) would be 0.4² or 0.16. Additionally, the Hardy-Weinberg model can be adjusted to account for evolutionary changes over multiple generations by considering genotype frequencies at generation zero (p0) and at a subsequent generation (pk).

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