Allele Frequency - An Example Population

An Example Population

Consider a population of ten individuals and a given locus with two possible alleles, A and a. Suppose that the genotypes of the individuals are as follows:

AA, Aa, AA, aa, Aa, AA, AA, Aa, Aa, and AA

Then the allele frequencies of allele A and allele a are:

so if a locus is chosen at random there is a 70% chance it will be the A allele, and a 30% chance it will be the a allele.

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