genetic fixation

ge·net·ic fix·a·tion

the increase of the frequency of a gene by genetic drift until no other allele is preserved in a specific finite population.
References in periodicals archive ?
These changes in the percentage of polymorphism are explained by high genetic fixation, making the variation in each sampling site to be low, but not for the species as a whole in this particular geographic region.
This genetic fixation is expected to increase the productivity of agribusiness by many billions of dollars annually.
Other names may appear more humorous as they play on the themes and memes of our contemporary genetic fixations including FieldOfGenes.