Genetic Links to Criminality

Genetic Links to Criminality - Megan Ross 250412631 Section...

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Unformatted text preview: Megan Ross 250412631 Section 004 Dr. Greg Moran Karyotype DNA Chromosome Handcuffs Defining Crime  Crime: An act punishable by law, usually an evil act http://wordnet.princeton.edu/perl/webwn?s=crime Antisocial behaviour (Morely & Hall, 2003) But, some crimes do not offend all members of society Drug use and loitering Related to personality traits such as aggressiveness, impulsivity, attention deficit, and hyperactivity (Fishbein, 2001) Gavel Relevance to Psychology  Finding the cause of criminality would allow: Prevention of crime through: Understanding risk factors and control of genetic and biological influences leading to crime More Effective rehabilitation of criminals Predictions of: Chances a person will become a criminal Possibility a convicted offender will re-offend Psychology A History of the Genetic Basis of Crime  Charles Lombroso Atavistic characteristics Incorrect, but lead to other questions about genetic links http://www.cerebromente.org.br/n01/frenolog/lombroso.htm a Past emphasis on social factors like socioeconomic status as well as environmental factors (Tehrani & Mednick, 2000) a Because of fear of eugenic policies, little research was done on the genetic basis of criminality (Morely & Hall, 2003) 1920s prison sterilizations (Milder, 1995) 1970s abortions linked to XYY trisomy super male (Peters, 2003) Lombroso Lombroso Eugenics How are Genetic Links found?  Three methods: Twin Studies Monozygotic Twins: identical with the same set of genetic information Dizygotic Twins: fraternal with different sets of genetic information Adoption Studies: adoptees are separated at birth from their biological parents Family Studies Studying traits throughout a family lineage Identical Family Fraternal Twin Studies  Lange was first to carry out a twin-criminality study...
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This note was uploaded on 04/04/2009 for the course PSYCH 1000 taught by Professor Atkinson during the Spring '09 term at UWO.

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Genetic Links to Criminality - Megan Ross 250412631 Section...

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