In a population of guinea pigs, short hair is dominant to long hair. if 25 percent of a breeder’s guinea pigs has long hair, what is the frequency of the recessive allele (q)?
5 percent
15 percent
25 percent
50 percent

The correct answer answer among the choices provided is the fourth option. Fifty percent is the frequency of the recessive allele. One can use a Punnett square in solving this problem. Let 'Q' represent the dominant allele while let 'q' represent the recessive allele.