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.