Suppose a Researcher Is Studying Twins Where at Least One

question 77

Multiple Choice

Suppose a researcher is studying twins where at least one twin suffers from depression. The researcher finds that both twins are much more likely to share the disorder if they are monozygotic and not dizygotic twins. What should the research conclude?

• A) depression is entirely genetic
• B) the heritability of depression is high
• C) the heritability of depression is low
• D) monozygotic twins are at a higher risk for depression than non-twins

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