In a population of 500 males, 30 are found to have color blindness, an X-linked recessive trait.

Part A

Calculate the frequency of males with the recessive phenotype.

Part B

Calculate the frequency of males with the dominant phenotype.

Part C

Calculate the approximate frequency of homozygous dominant females.

Part D

Calculate the approximate frequency of female heterozygotes.

Part E

Calculate the approximate frequency of homozygous recessive females.