When Identical Twins Who Are Raised Apart, in Separate Adoptive

question 319

Multiple Choice

When identical twins who are raised apart, in separate adoptive homes, show the same susceptibility to a given psychological disorder, it indicates that:

• A)environmental factors have more influence than genetic factors in the disorder
• B)both genetics and environmental factors contribute equally to the disorder
• C)genetic factors have more influence than environmental factors in the disorder
• D)neither genetic factors nor environmental factors contribute to the disorder