Genetic explanations

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Created by
Ephie

Cards (6)

  • What is the MAOA gene?
    Gene which controls serotonin and dopamine in the brain and is linked to aggressive behaviour
  • What is the CDH13 gene linked to?
    Substance abuse and ADHD
  • What percentage of violent crime in Finland is due to abnormalities with the MAOA or CDH13 gene?
    5-10%
  • What did Crowe (1972) find?
    Adopted children whose biological parents were criminals had a 50% greater risk of getting a criminal record by the age of 18
  • What did Midnick et al (1987) find?
    15% of sons adopted by criminal families went on to be criminals compared to 20% whose biological parents were criminals
  • What did Lagerspetz (1979) find?
    Mice can be bred to be more or less aggressive- suggests aggression has a genetic component and can be inherited