Suppose that the genetic makeup of the population of a city is as in Table 2.1. An individual is considered to have the dominant characteristic if the person has the AA or Aa genetic trait. If we were to choose an individual from this city at random, what is the probability that this person has the dominant characteristic?

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TABLE 2.1 Genetic Makeup of a Population. Genetic makeup Probability AA Р Aa 2q Aa r