Genetics: Analysis and Principles 4th Edition by Robert Brooker

Exercise 3

In a large herd of 5468 sheep, 76 animals have yellow fat, compared with the rest of the members of the herd, which have white fat. Yellow fat is inherited as a recessive trait. This herd is assumed to be in Hardy-Weinberg equilibrium.
A. What are the frequencies of the white and yellow fat alleles in this population
B. Approximately how many sheep with white fat are heterozygous carriers of the yellow allele