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hereditarian

[huh-red-i-tair-ee-uh n]
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noun
  1. a person who believes that differences between individuals or groups, including moral and intellectual attributes, are predominantly determined by genetic factors (opposed to environmentalist).
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adjective
  1. characteristic of or based on such belief: hereditarian theories.
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Origin of hereditarian

Related formshe·red·i·tar·i·an·ism, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018