Genetic Theories of Aggression
- Created by: PickJ
- Created on: 27-04-14 14:18
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- Genetic Theories of Aggression
- AO1
- Introduction
- Genetic explanations argue aggressive behaviour result of a persons genetic make-up
- Certain individuals are predisposed to act aggressively due to inherited genetic abnormalities
- The more genetically similar you are to an aggressive individual the more likely you are to be aggressive.
- Certain individuals are predisposed to act aggressively due to inherited genetic abnormalities
- Genetic explanations argue aggressive behaviour result of a persons genetic make-up
- Introduction
- AO1
- XYY Chromosome Defect
- 0.1% male population have an additional Y chromosome
- Y chromosome is the male chromosome, males are the more aggressive sex
- Makes sense that the inheritance of an additional Y chromosome may lead to increased levels of aggression
- E.g. 3% of prisoners have an additional Y chromosome
- Makes sense that the inheritance of an additional Y chromosome may lead to increased levels of aggression
- Y chromosome is the male chromosome, males are the more aggressive sex
- 0.1% male population have an additional Y chromosome
- XYY Chromosome Defect
- AO2
- XYY theory of aggression may have face validity, there are contradictory findings
- Theilgaard
- Found no strong correlation between XYY and aggression, stating the only characteristic seemingly linked was above average height
- Witken
- Found no link between XYY syndrome and increased aggressiveness
- Did find a negative correlation between XYY and level of IQ
- XYY's were more likely to commit crimes, not necessarily aggressive
- Did find a negative correlation between XYY and level of IQ
- Found no link between XYY syndrome and increased aggressiveness
- Theilgaard
- XYY theory of aggression may have face validity, there are contradictory findings
- AO1
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