What are the genotypic frequencies of the following population: 60 AA, 120 Aa, and 20 aa individuals?

A) 30% AA, 60% Aa, and 10% aa
B) 60% A and 40% a
C) 60% AA, 20% Aa, and 20% aa
D) 60% AA, 30% Aa, and 10% aa