In a population of 500 sheep in Hardy-Weinberg equilibrium, 80 individuals have black wool while the remainder have white wool. White wool (W) allele dominant over black wool (w) allele.

a) Please calculate the frequency of homozygous dominant, homozygous recessive, and heterozygous individuals in this population.

b)Please calculate the frequencies of black wool alleles and white wool alleles in this population