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Assume that a sample of the people in your city showed that 1/16 of them cannot roll their tongue. This means that they are homozygous for the...
Assume that a sample of the people in your city showed that 1/16 of them cannot roll their tongue. This means that they are homozygous for the recessive gene. Apply the Hardy-Weinberg principle to determine the frequencies of homozygous dominant and heterozygous genotypes in the population.