Twin Studies Indicate That

question 24

Multiple Choice

Twin studies indicate that

• A) there is a genetic basis for homosexuality in males as well as in females.
• B) early family environment is more important than genes for the development of homosexuality.
• C) a male child whose older twin sisters are heterosexual is more likely to be homosexual.
• D) homosexual women are likely to have homosexual male relatives.
• E) identical male twins are less likely to be concordant for homosexuality than are fraternal male twins.

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Definitions:

Contribution Margin Ratio

A financial metric indicating the portion of sales revenue that exceeds variable costs and contributes to covering fixed costs and generating profit.

Total Sales Revenue

The total income generated from selling goods or services before any expenses are subtracted.

Selling Price

The amount of money for which a product or service is sold to the customer, including all applicable costs and markup.

Operating Leverage

A measure of how revenue growth translates into growth in operating income, indicating the proportion of fixed versus variable costs.