biological approach

Question 1

what is the biological approach?

Answer 1

explains human behaviour from a biological perspective.
-genetic
-biochemical
-viral
-neural
-evolutionary

Question 2

what do the genetic theories argue?

Answer 2

behaviours are inherited

Question 3

how is researching if behaviours are inherited investigated?

Answer 3

use of twins

Question 4

types of twins?

Answer 4

mono-zygotic- identical

dizygotic- non-identical

Question 5

what do mono-zygotic twins share?

Answer 5

100% DNA/ of their genes

Question 6

what do dizygotic twins share?

Answer 6

50% DNA/ of their genes

Question 7

what is expected with mono-zygotic twins if there behaviour is inherited?

Answer 7

exactly the same traits
- share the gene that causes the traits

Question 8

what are mono-zygotic twins if they share exactly the same genes?

Answer 8

concordant

Question 9

what are dizygotic twins if they don’t share all of the same genes?

Answer 9

not concordant
one twin may have a gene that causes a particular trait but the other twin does not