In Twin Studies, Identical Twins Show a Higher Incidence of Homosexuality

question 78

Multiple Choice

In twin studies, identical twins show a higher incidence of homosexuality than do fraternal twins.What does this imply about the origins of sexual orientation?

• A)Parenting practices do not seem to matter as much as genetics.
• B)Parenting practices seem to matter a great deal more than do genetics.
• C)Twins have such similar experiences that their environments must matter.
• D)None of the above.

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Definitions:

Average Costs

The total costs divided by the quantity produced or consumed, indicating the cost per unit.

Transfer Prices

The prices at which services, goods, or capital are exchanged between departments or divisions within the same company or between subsidiaries.

Intermediate Products

Goods that are used as inputs in the production of other goods, not intended for final consumption.

Profit Center

A branch or division of a company that is directly responsible for generating its own revenue and profits.