What Have Researchers Concluded from Research on the Concordance Rates

question 22

Multiple Choice

What have researchers concluded from research on the concordance rates of monozygotic (MZ) and dizygotic (DZ) twins?

• A)The role for genetics is much larger for males than it is for females.
• B)Genetic factors play a small role in etiology of alcoholism among women.
• C)Similar concordance rates for MZ and DZ twins suggest no significant role for genetics.
• D)Concordance rates suggest a role for genetics,and higher concordance rates among males reflect the higher prevalence of alcoholism among males.

---

Definitions:

Consumer Market

A marketplace for goods and services that are purchased for personal, family, or household use.

Manufacturing Base

The sector of an economy that is involved in the production of goods in large quantities, utilizing labor and machines.

Trade Deficit

An economic measure where a country's importation of goods exceeds its exportation, reflecting a net outflow of domestic currency to foreign markets.

Merchandise Balance

The difference in value between a nation's imports and exports of tangible goods.