Research Using Identical Twins Indicates That ________

question 48

Multiple Choice

Research using identical twins indicates that ________.

• A) sexual orientation is not genetically determined
• B) there is nearly a 100% match-when one twin is gay or lesbian, so is his or her twin
• C) when one member of a pair of identical twins is gay or lesbian, the chances are higher that the other twin will share that same sexual orientation
• D) the environment plays an equal role to genetics

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Definitions:

Variable Costs

Expenses that directly fluctuate in relation to the volume of production or output.

Profit-maximizing Output

The peak production point for a firm where it attains its greatest possible profit, characterized by the equality of marginal cost and marginal revenue.

Marginal Cost

The additional cost incurred in producing one more unit of a good or service, crucial for making production and pricing decisions.

Fixed Cost

Fixed cost is a business expense that remains constant regardless of changes in the level of production or sales volumes, such as rent or salaries.