Researchers Have Found That When an Identical Twin Has Unipolar

question 18

Multiple Choice

Researchers have found that when an identical twin has unipolar depression, there is a 38 percent chance that the other twin has already had or will eventually have the same disorder. A fraternal twin is only 20 percent likely to have the same disorder. This finding:

• A) proves that unipolar depression does not have a genetic factor.
• B) supports the idea that people may inherit a predisposition for developing unipolar depression.
• C) shows that spending time with people who have unipolar depression increases an individual's own risk for developing the same disorder.
• D) demonstrates that if one sibling has unipolar depression, other siblings of the same sex are likely to develop the same disorder.

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Definitions:

Equilibrium Price

The market price at which the quantity of goods supplied is equal to the quantity of goods demanded, reaching a state of balance.

Perfectly Competitive

A market structure characterized by a large number of small firms, a homogeneous product, free entry and exit, and perfect information, leading to price-takers behavior.

Equilibrium Price

The price at which the quantity of a good or service demanded equals the quantity supplied, resulting in market equilibrium.

Perfectly Competitive

A market structure characterized by a large number of small firms, a homogeneous product, perfect information, and free entry and exit.