What Is the Most Direct Evidence for a Genetic Explanation

question 56

Multiple Choice

What is the most direct evidence for a genetic explanation for substance use disorders?

• A) data from surveys of adults with alcohol use disorder
• B) higher rates of alcohol preference demonstrated in breeding studies
• C) the study finding that fraternal twins have a concordance rate of 30 percent for substance use disorder
• D) the study finding that individuals with substance use disorder are more likely to have an abnormal D2 receptor gene

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Definitions:

Business Unionism

A labor union approach focusing on negotiating wages, benefits, and working conditions rather than broader social change or workers' control over production.

Worker Voice

The ability of employees to express their opinions, concerns, and suggestions about the workplace, often through unions or employee representation.

Occupational Unionism

Focuses on organizing workers based on their specific occupations or trades, rather than industry or general labor.

Solidarity Model

A labor relations approach emphasizing the collective interests and unity of workers across different sectors or regions.