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Questions and Answers
What does heritability measure in relation to a trait?
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?
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?
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?
What role do gene mutations play in causing delusions in schizophrenia?
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