What is the sum of frequencies of all alleles for any given gene in a population?

Answer: The sum of all alleles frequencies in a gene is 1.

Explanation:

Allele frequency is the number of occurrence or copies of an allele or variant gene at a particular locus in a population.

It is expressed as a fraction or percentage.

The sum of the frequencies of alleles in a gene is 1. P+q=1

Where p and q refers to the frequencies of alleles.