2.1 Biological Theories- Genetics- Candidate Genes

Question 1

What does Candidate genes argue

Answer 1

It argues that criminality is inherited, innate

Question 2

What’s the name of the study used for Candidate genes

Answer 2

Cambridge study of delinquents

Question 3

Outline the Cambridge study of Delinquents and its findings

Answer 3

A longitudinal study from the 1960’s studying 397 families, found that half of all convictions from these families came from only 23/397 families

Question 4

What does the Cambridge study of delinquents suggest about criminality

Answer 4

It suggests that criminality runs in genetics, or the are that they live in or how they’ve been raised (Environmental)

Question 5

What is Brunner’s et al (1993) study called

Answer 5

MAOA

Question 6

What did Brunner et al (1993) analyse

Answer 6

He analysed the DNA of 28 members of a dutch family with a history of impulsive and violent criminal behaviour.

Question 7

What were the findings of Brunner et al (1993)

Answer 7

They found that the family shared a gene that leads to low levels of monoamine oxidase A (MAOA). This control dopamine and serotonin

Question 8

How can a deficiency in Serotonin and Dopamine link to criminality

Answer 8

Study’s have shown that low levels of serotonin and dopamine (happy hormones) can link to aggression and as a result violent crimes