Solved by a verified expert:Show all workIn a college population of 900 individuals, the following genotype frequencies for PTC tasting are observed:PP: 23%Pp: 56%pp: 21%a) What are the observed allele frequencies?b) What are the expected genotype frequencies, assuming Hardy Weinberg equilibrium?c) What are the expected number of individuals of each genotype?d) Is this population in Hardy-Weinberg equilibrium? (hint: chi square)