Genetic Factors in Aggression

Question 1

What is the MAOA gene?

(The MAOA gene and Aggressive Behaviour)

Answer 1

Monoamine Oxidase A gene

Question 2

What is the MAOA gene responsible for?

(The MAOA gene and Aggressive Behaviour)

Answer 2

Regulating metabolism of serotonin

Question 3

What does the MAOA gene lead to when defective?

(The MAOA gene and Aggressive Behaviour)

Answer 3

Low levels of serotonin, leading to increases risk of impulsive and aggressive behaviour

Question 4

What do genes suggest about aggression?

(Genetic Factors in Aggressive Behaviour)

Answer 4

It is inherited through family lines

Question 5

How did psychologists investigate aggression with genes?

(Genetic Factors in Aggressive Behaviour)

Answer 5

Using twin, family and adoption studies

Question 6

What did psychologists find with twin studies?

(Genetic Factors in Aggressive Behaviour)

Answer 6

There is a higher concordance rate of aggression in monozygotic twins than dizygotic