In a population of 5000 individuals, a particular gene has two alleles, A and a. The frequency of individuals with the homozygous dominant genotype AA is 0.36, the frequency of heterozygous Aa individuals is 0.48, and the frequency of homozygous recessive aa individuals is 0.16. What is the frequency of allele a in this population?
(Round to the nearest integer)
Enter numerical value using the virtual keypad. Round off where necessary.