One of the Issues That Complicates the Interpretation of Twin

question 9

Multiple Choice

One of the issues that complicates the interpretation of twin studies is that

• A)fraternal twins are usually perceived as a "set" and play together more often than identical twins do.
• B)identical twins represent a more active type of genotype-environment correlation.
• C)the environments of identical twins are more similar than those of fraternal twins.
• D)fraternal twins are rarely studied in comparison to identical twins.

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