Genetic Theory Flashcards
1
Q
What is the XYY theory?
A
The theory that people with an extra Y chromosome suggests that they are more aggressive than a male with a single Y chromosome.
2
Q
What proof does the XYY theory have?
A
In every 1000 prisoners 15 of them are XYY males
3
Q
Twin theory- What are the two types of twins?
A
Monozygotic (MZ)
Dizygotic (DZ)
4
Q
Which of the two twin types have higher criminal prision rate?
A
10/13 in prison (MZ)
2/17 in prison (DZ)
5
Q
Is their a change in criminal behaviour if the child is brought up with thier biological parents in comparison with non-biological parents.
A
A high proportion of criminal convictions had biological parents with criminal convictions.
There is no correlation between adoptive parents and adopted child with prison sentences
