variants: or behavior genetics

Definition of behavioral genetics 

: the study of the relationship between the genetic composition of an organism and its behavior The third bridge between the biological and the mental is behavioral genetics, the study of how genes affect behavior.— Steven Pinker, The Blank Slate, 2003 This oversimplified model, which underlies most current research in behavior genetics, ignores the critical importance of the brain, the environment, and gene expression networks.— Dean Hamer, Science, 4 Oct. 2002

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First Known Use of behavioral genetics

1957, in the meaning defined above

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