Jacobs XYY study Flashcards

1
Q

what is another possible genetic cause of criminality?

A

XYY chromosomes
- abnormality pf sex chromosomes

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2
Q

what do individuals with XYY syndrome look like?

A

. very tall
. strong build

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3
Q

what is the personality and character traits of an individual with XYY syndrome?

A

. low intelligence

Jacob claimed they were more
. aggressive
. violent

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4
Q

what is a case example of Jacob’s XYY study?

A

studies on imprisoned criminals

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5
Q

what did studies on imprisoned criminals find?

A

imprisoned criminals had a higher than average proportion of XYY syndrome than the rest of the population

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6
Q

what was the history of these imprisoned criminals?
(Jacob’s XYY study)

A

many had histories with aggression and violent assault

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7
Q

what was the mentality and character traits of these imprisoned criminals found to be?
(Jacob’s XYY study)

A

more
. immature
. unstable

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8
Q

due to imprisoned criminals nature to be more immature and unstable what types of crimes did that lead to them committing?
(Jacob’s XYY study and imprisoned criminals studies)

A

strong tendencies to commit seemingly motiveless property crimes

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