hereditarianism

/həˌrɛdɪˈtɛriənɪzəm/
noun
  1. The belief that a person's abilities, personality, and behavior are mainly determined by their genes (heredity) rather than by their environment or upbringing.
    • Hereditarianism was once used to argue that intelligence is fixed at birth.
    • The debate between hereditarianism and environmentalism continues in psychology and sociology.
    • Many scientists today reject strict hereditarianism because they see how education and experience shape people.
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