Twin Studies Concerning Sexual Orientation Have Found That If One

question 58

Multiple Choice

Twin studies concerning sexual orientation have found that if one identical twin is homosexual, the other twin is:

• A)homosexual almost 100% of the time
• B)homosexual about 20% of the time
• C)homosexual about 50% of the time
• D)no more likely to be homosexual than any individual (<10%)

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Definitions:

Specialize

Focusing one’s efforts in a specific domain or area of expertise, often to increase efficiency and skill.

Greater Quantity

A higher amount or number of something, usually used in reference to the production or supply of goods.

Comparative Advantage

A principle stating that if a country produces a good at a lower opportunity cost than another, it has a comparative advantage.

Opportunity Costs

The expense incurred from not selecting the subsequent preferable choice when a decision is made.