Of the following,which would provide the strongest evidence for a genetic component to schizophrenia?

Question

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The high concordance rate among identical twins provides the strongest evidence for a genetic component to schizophrenia, as identical twins share 100% of their genes. This suggests that genetic factors play a significant role in the development of the disorder. Lower concordance rates among other groups (such as fraternal twins or the general population) would also suggest a genetic component, but not as strong as the rate among identical twins.

Of the Following,which Would Provide the Strongest Evidence for a Genetic