Heritability of Schizophrenia
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Questions and Answers

What does heritability measure in relation to a trait?

  • The likelihood of a trait being inherited by offspring
  • The complete absence of environmental factors in the trait
  • The proportion of the trait associated with genetic factors (correct)
  • The total presence of genetic factors in the trait

    • How is heritability typically evaluated?

  • Through family history analysis of the trait
  • Through twin studies, comparing concordance rates between identical and non-identical twins (correct)
  • Through examining specific gene mutations in affected individuals
  • Through assessing the prevalence rate of the trait in the general population

    • What is the concordance rate for schizophrenia among identical twins?

  • 83%
  • 1%
  • 100%
  • 48% (correct)

    • What role do gene mutations play in causing delusions in schizophrenia?

    <p>Gene mutations do not directly cause delusions themselves</p> Signup and view all the answers

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