What Has Research on Twins Revealed Concerning a Possible Genetic

question 110

Multiple Choice

What has research on twins revealed concerning a possible genetic etiology for autistic disorder?

• A)High MZ concordance rates suggest a strong role for genetic factors.
• B)Similar concordance rates for MZ and DZ twins point to the significant role of the environment.
• C)Concordance rates have been low and inconsistent,suggesting little,if any,role for genetic factors.
• D)Analysis of the concordance rates suggests that a predisposition to dementia is the primary etiological factor.

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Definitions:

Ethics

The moral principles that govern a person's behavior or the conducting of an activity, guiding what is good, right, and appropriate.

Code Of Ethics

A set of principles and guidelines designed to set out acceptable behaviors for members of a particular group, organization, or profession.

Internalized Standards

Refer to the personal or organizational values and rules that individuals or entities adopt as their own guiding principles.

Disabilities

Physical or mental impairments that significantly restrict one or more major life activities.