Psychology-Genetic factors in aggressive behaviour

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  • Created by: Sama
  • Created on: 15-11-12 16:44

Is aggression inherited?

To disentangle the relative contributions of nature (genetic inhertance) and nurture (environmental influences), researchers have conducted methodolgical techniques.

Twin studies:

Monogygotic (identical) twins share all of their genes

Dizygotic twins (non-identical) twins share only 50% of their genes.

Researchers compare how similar a particular trait between monogygotic (MZ) twins and digygotic (DZ) twins are, in this case aggression is the trait. 

  • If the MZ tiwns are more

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