Eugenics

Eugenics is the applied science of the bio-social movement which advocates the use of practices aimed at improving the genetic composition of a population, usually a human population. It is a social philosophy which advocates for the improvement of human hereditary traits through the promotion of higher reproduction of more desired people and traits, and the reduction of reproduction of less desired people and traits.

Read more about Eugenics:  History, Meanings and Types, Dysgenics, Supporters and Critics, In Popular Media