There Has Been a Great Deal of Research, Using a Wide

question 18

Multiple Choice

There has been a great deal of research, using a wide variety of methods, examining the concordance rates for disorders such as schizophrenia and bipolar disorder. These studies have generally revealed higher concordance rates in ______ than in __________.

• A) monozygotic twins; adopted relatives
• B) adopted relatives; biological relatives
• C) biological relatives; adopted relatives
• D) dizygotic twins; monozygotic twins
• E) monozygotic twins; dizygotic twins

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