Share 2.1 Biological Theories
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Name two physiological theories of criminality
Lombroso and Sheldon
Who created the genetic XXY theory of criminality?
Jacobs
what is the chromosomes pattern for men?
XY
What does the XXY theory think causes criminality?
An extra Y chromosome
What is the term given by Jacobs to men with XYY?
Super males
Which americian serial killer who killed at least 33 men in the USA was a super male?
John Wayne Gacy
What is monozygotic twins?
Identical twins
How many twin pairs did Chrstiansen use in his 1977 twin studies?
3,586
Whose study showed no relationship between the criminality of adoptive parents and adoptive children but a did find a high correlation between the number of criminal convictions of the biological parents and their offspring?
Mednick et al
are twin studies and adopton studies the same thing?
No adoption studies only looks at single children not twins
Define the term atavistic?
relating to something ancient or ancestral
Give 5 atavistic features
large jaw, forward projection of jaw, high cheek bones, flattened nose, upturned nose, slopping forehead, long arms, large ears
Who is know as the 'Father of Modern Criminology'?
Lombroso
What did Lombroso believe causes criminality?
Criminals are a different species to humans
Who is the main case study for brain abnormality being the cause of criminality?
Phineas Gage
What year was Sheldon's theory?
1949
