Biological Approach

Question 1

Biological Approach Assumptions

Answer 1

• Behaviour is determined by biological structures such as genes and the brain and biological chemicals such as neurotransmitters and hormones
• Everything psychological is at first biological

Question 2

Monozygotic Twins

Answer 2

Share 100% of their genes

Question 3

Dizygotic Twins

Answer 3

Share 50% of their genes
(Non Identical Twins)

Question 4

Genotype

Answer 4

A persons actual genetic makeup. Its the particular set of genes that a person possesses.

Question 5

Phenotype

Answer 5

Is the way that genes are expressed through physical, behavioural and psychological characteristics.

Question 6

Concordance rates

Answer 6

Refers to the probability that two individuals share a certain behavioural trait.

Question 7

What is one real life example of the biological approach?

Answer 7

Research into biochemical processes in the brain has led to the development of psychoactive drugs that treat serious illnesses like depression. These drugs have revolutionised the treatment of mental illness for many. This means that many people suffering from mental illness can now have a normal life.

Question 8

Evolution

Answer 8

Refers to change in inherited characteristics over generations known as adaptions

Question 9

Natural Selections

Answer 9

Any genetically determined behaviour which increases a species survival will be passes down to future generations.

Question 10

What characteristics do biological and psychologists believe are adaptive?

Answer 10

intelligence and aggression