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Discuss the view that schizophrenia is a genetic disorder. (30) The fact that schizophrenia has been found to run in families has led to the inference that it has a genetic basis. According to the genetic hypothesis, the closer related the family member to the schizophrenic the greater the chance of developing schizophrenia. However, experts do agree that if anything is inherited in schizophrenia, it is a genetic predisposition to develop the disease rather than a certainty. Evidence supporting the genetic basis of acquiring schizophrenia comes from family studies. These show that the risk of developing schizophrenia is greater for those more closely related to the schizophrenic. This is supported by Gottesman who found that if both parents have schizophrenia there is a 46% chance of developing the disease, if a single parent has schizophrenia there is a 16% chance and if a sibling has schizophrenia there is an 8% chance....

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