Twin studies

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Created by
Ali

Cards (6)

  • What does the theory twin studies support ?
    Heritable trait could increase risk for criminal behaviour.
  • What are identical twins ?
    Monozygotic (MZ) as they are from one fertilised egg
  • What percentage do identical twins share their DNA ?
    100% of their DNA
  • What are non identical twins ?
    Dizygotic as they are from 2 separate fertilised eggs
  • What percentage do non identical twins share their DNA ?
    50%
  • What did German Physician Johannes Lange found ?
    That MZ twins shown a higher rate of concordance than DZ twins for criminal behaviour. 10/13 MZ twins were in prison and 2/17 DZ twins had served a time in prison