An attorney is representing Julian, a male defendant with a history of impulsive aggression, including attempted arson and violent physical assaults. Genetic testing reveals that Julian has a rare mutation on his X chromosome.
With reference to the key research by Brunner et al. (1993), explain how Julian's genetic abnormality and resulting biochemical changes could account for his aggressive and criminal behaviour.
25 exam-style questions on OCR A Level Psychology What makes a criminal? (Biological). Each one has a worked solution and a mark scheme showing where the marks go.