1 The selection (by people) of germ cells (sex cells from which gametes are derived) that possess qualities recognized as superior for use in the production of a subsequent generation. This method is used in the breeding of domesticated animals; and it is proposed by those supporting eugenics that the method should also be applied to humans. In the latter case, germ cells would be stored, frozen, in germ banks, and would be available for couples who wished to use them rather than their own germ cells to generate a family.
2 Selection during gametogenesis against induced mutations that retard the spread of mutant cells.
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