biological explanations for schizophrenia

Question 1

what is the genetic theory of schizophrenia?

Answer 1

genetic explanation states that SZ is hereditary and passed on from one generation to next through genes
a person Osborn with a genetic predisposition to SZ,
believed that several maladaptive ‘candidate genes’ such as PCM 1 are involved which increases and individuals vulnerability to developing SZ.
studies have shown that 108 separate genetic variations are associated in risk of developing SZ.

Question 2

what did GOTTSMAN FIND?
twin studies

Answer 2

studied 40 twins found that concordance rates for monzygotic twins was 48% and 17% for dizygotic twins
closer genetic link to somebody with sz more chance of getting sz