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6. What did Gottesman (1991) show through his family studies?

  • There is no link between the two
  • That as genetic similarity with a sufferer increases, so does the probability of sharing schizophrenia
  • As genetic similarity decreases, the probability of sharing schizophrenia increases
  • His results were inconsistent

7. What does it mean when it says that schizophrenia is 'polygenic'?

  • This means that different combinations of factors can lead to the condition
  • It means that it requires a number of factors to work in combination
  • It requires a single factor to work in combination
  • This means that different combinations of factors can lead to different conditions

8. Name a researcher that has conducted an experiment on Adoption studies for genetic explanation of schizophrenia

  • Joseph (2004)
  • Tienari et al (2000)
  • Ripke et al (2014)
  • Gottesman (1991)

9. Give one detail about Ripke et al (2014) study

  • He carried out his own mini study on schizophrenia
  • Carried out a small study combining the results of 3 studies
  • He carried out a massive study combining all previous data from genome wide studies of schizophrenia.
  • The genetic makeup of 37 patients was compared to the genetic makeup of 113 controls.