Genetic

Question 1

What does MAOA stand for? (Aggression genetic)

Answer 1

Monoamine Oxidase A

Question 2

What does MAOA produce and what does that do? ( Aggression genetic)

Answer 2

Produces and MAOA enzyme that breaks down serotonin, adrenaline and noradrenaline

Question 3

What does a defect in the MAOA gene cause? (Aggression genetic)

Answer 3

A chemical imbalance

Question 4

Who did Brunner et al (1993) study? (Aggression genetic)

Answer 4

Dutch family

Question 5

What did Brunner et al (1993) find? (Aggression genetic)

Answer 5

Males behaved in an aggressive way due to low levels of MAOA

Question 6

AO3 for Brunner et al (1993) study? (Aggression genetic)

Answer 6

Similar environment and similar genes (nature vs nurture)

Question 7

What does the PET-1 gene do? (Aggression genetic)

Answer 7

Development of serotonin in a foetus’ brain

Question 8

What did Deneris (2003) do? (Aggression genetic)

Answer 8

Removed the PET-1 gene from rats - rats acted more aggressively e.g defensive over territory

Question 9

What gene do rats lack that humans do not and what is it associated with? (Aggression genetic)

Answer 9

HTR1B gene which is associated to the production of serotonin

Question 10

What did Capsi et al (2002) find and why is it significant? (Aggression genetic)

Answer 10

2 variations of MAOA gene; one with high levels of aggression and one with low levels of aggression

Question 11

What is the correlation between serotonin and aggression? (Aggression genetic)

Answer 11

Low levels of serotonin lead to high levels of aggression