Research Studies That Have Compared Sexual Orientation of Monozygotic Twins

question 42

Multiple Choice

Research studies that have compared sexual orientation of monozygotic twins and dizygotic twins are not perfect because they:

• A) establish an especially weak genetic basis for sexual orientation.
• B) establish an especially weak genetic basis for romantic attraction.
• C) include small numbers of people who are not straight.
• D) include large numbers of people who are not straight.

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Definitions:

Total Individual Benefit

The total value or satisfaction that an individual derives from consuming a particular quantity of goods or services.

Marginal Benefit

The supplementary enjoyment or advantage gained by consuming another unit of a good or service.

Marginal Social Benefit

The additional benefit received by society as a whole from the production or consumption of one more unit of a good.

Marginal Social Benefit

The additional gain to society as a whole from an additional unit of a good or service, considering both private benefits and externalities.