Twin studies

Question 1

What are Monozygotic twins?

Answer 1

Genetically identical twins

Question 2

What are Dizygotic Twins?

Answer 2

Non-identical twins (Just as related as ordinary siblings)

Question 3

What is twin studies aim?

Answer 3

To compare behavioral similarity and differences between the 2 types of twins

Question 4

What does the biological approach suggest about twin studies?

Answer 4

That both types of twins would share same family , same upbringing ,environments and would be born at the same time so any differences would have to be as a result of differences in our genetic makeup.
-So if behavior of identical twins is more similar that Non-identical twins behaviour is down to nature and not nurture

Question 5

1 Example of twin studies used in real life?

Answer 5

In Schizophrenia studies finding that MZ twins have a higher consistency of schizophrenia than DZ twins showing it must have a genetic element.

Question 6

What can happen if MZ twins are separated at birth?

Answer 6

They can be traced and tested for similarities in behavior which could then be due to nature because they have been brought up in completely different environments.
-However these cases are quite rare