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Amira Lakhouane




Discuss genetic factors in aggression. (8+16 marks)

Human aggression depends in part on biological factors. Genetic influences on aggression
have been clearly demonstrated in non-human animals and twin studies suggest some sort
of biological component in aggressive behaviour.

Rhee and Waldman's (2002) meta-analysis of twin and adoption studies…

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Amira Lakhouane




found significant differences in the amygdala suggesting unusual emotional responses
such as a lack of fear which could lead to a lack of retribution and a lack of fear of breaking
social norms, all of which could increase actual aggressive behaviour.

However, an issue with this research is…

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