One Problem with Studying Identical and Fraternal Twins Raised Together

question 105

Multiple Choice

One problem with studying identical and fraternal twins raised together or apart is that

• A)Often twins raised apart have very similar environments.
• B)Identical twins that are raised together may be treated more similarly than fraternal twins, which could account for their greater behavioural similarity.
• C)Fraternal twins may be male and female whereas identical twins are always either both male or female.
• D)There is no control over the environments of twins who are raised apart.

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Definitions:

Head Start

A federally funded early-childhood intervention program for low-income children of preschool age.

Educational Program

A structured set of learning activities or curriculum designed to achieve certain learning objectives or educational outcomes.

Specific Food

A particular type or category of food identified by distinct characteristics or dietary restrictions.

Allergic

Having an abnormal reaction of the immune system to a usually harmless substance in the environment known as an allergen.