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In a population of 1000 individuals 360 belong to genotype AA, 480 to Aa and the remaining 160 to aa. Based on this data, the frequency of allele A in the population is:

1. 0.4
2. 0.5
3. 0.6
4. 0.7

Correct answer: 0.6

Solution

To find the frequency of allele A, we use the formula: (2 * frequency of AA + frequency of Aa) / total population. In this case, it's (2 * 360 + 480) / 1000 = 0.6.

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