Maria Wants to Determine Whether Genetics or Environment Has a Greater

question 110

Multiple Choice

Maria wants to determine whether genetics or environment has a greater influence on intelligence. The best technique for determining this would be a study using:

• A) monozygotic twins who are reared apart
• B) dizygotic twins who are reared apart
• C) fraternal twins who are reared apart
• D) identical twins who are reared together

---

Definitions:

Competitive Price-searcher Firm

A business that operates in a market where firms have some degree of control over the prices they charge, often because of product differentiation.

Entry Barriers

Obstacles that make it difficult for new competitors to enter a market, including high startup costs, strict regulations, and established brand loyalty.

Competitive Price-searcher Market

A market structure where firms have some control over the pricing of their products because their products are differentiated, but there is intense competition due to low entry barriers.

Economic Profit

The total revenue of a business minus both explicit and implicit costs.