Allele Frequency

Definition

Allele frequency refers to how common an allele is in a population. It is determined by dividing the number of times an allele occurs in a population by the total number of copies of all alleles for that gene in the same population.

Related terms

Genetic Drift:

This refers to changes in allele frequencies due to random events or chance.

Natural Selection:

A process where certain traits become more common in a population because they increase survival and reproduction rates.

Gene Pool:

The total collection of different alleles present in a population.