An Investigator Finds That the Concordance Rate for Bipolar Disorder

Multiple Choice

An investigator finds that the concordance rate for bipolar disorder is higher among monozygotic twins than among dizygotic twins.Which would be an INCORRECT conclusion on the basis of this finding?

A) Bipolar disorder is partially inherited.
B) Bipolar disorder is learned through interactions and observations of family members.
C) Genetics play no role in bipolar disorder.
D) Identical twins may not be treated in the same way as non-identical twins.