Hamsters can have a variety of colors, including golden and black. The allele
for golden color (G) is dominant over the allele for black color (g). The table
shows the genotypes and phenotypes for a small population of hamsters.
Genotype
Phenotype
Number of
hamsters
GG
Golden
12
Gg
Golden
25
gg
Black
13
What is the frequency of the golden phenotype?