Biological

Question 1

Name the biological 4 assumptions

Answer 1

Genes influence behaviour, valid to study animals, body chemistry is influential neurotransmitters and CNS is important

Question 2

Explain monozygotic and dizygotic twins

Answer 2

Monozygotic - identical with 100% concordance rate

Dizygotic - non identical often affected by genetic influence

Question 3

Genotype

Answer 3

Our genetic make up, total sun of our genes

Question 4

Phenotype

Answer 4

Characteristics which show up in our appearance

Question 5

Bock and Goode (1996)

Answer 5

Raised mice alone
When placed in a group they showed aggression
Aggression is heavily influenced by nature
Natural instinct is to fight eachother

Question 6

McNamee (2015)

Answer 6

Mice with low levels of neurotransmitters serotonin were more reactive to stress than those with normal levels of serotonin

Question 7

Strengths and weaknesses of McNamee

Answer 7

Strength 
- links to humans 
- ethically accepting 
- less time consuming 
Weakness 
- can’t generalise you much to humans - different DNA
- ethically questioning

Question 8

Biological strengths

Answer 8

• scientific experimental procedures in its investigation so high validity and reliability
• studies animals so data can be used in correlation to humans and generalised to help when researcher can’t be done on humans
• shows nature is stronger than nurture

Question 9

Biological approach weaknesses

Answer 9

• only takes in account genes not environmental factors

- animals have different DNA