In a Study of Twins, a Researcher Finds That 40

question 60

Multiple Choice

In a study of twins, a researcher finds that 40 percent of dizygotic (DZ) twins and 40 percent of monozygotic (MZ) twins share a trait. What is the researcher most likely to conclude about the trait?

• A) It is 40 percent concordant.
• B) It is 60 percent concordant.
• C) It is genetically determined.
• D) It is not genetically determined.

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