If Identical Twins Reared Together Are More Alike on a Characteristic

question 15

Multiple Choice

If identical twins reared together are more alike on a characteristic than identical twins reared apart,what can you infer regarding the relative roles of heredity and environment in determining that characteristic?

• A) Heredity plays a role.
• B) Environment plays a role.
• C) Heredity plays no role.
• D) Environment plays no role.

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Definitions:

Differentiated Products

Products that are similar but distinguished from each other by features, branding, quality, or other attributes.

Tacit Collusion

An unspoken arrangement between firms in a market to set prices or production levels that benefit them at the expense of market competition.

Marginal Costs

The augmented cost incurred by the production of an extra unit of a product or service.

Tacit Collusion

A non-explicit agreement among competitors to limit competition and increase prices or profits without direct communication.