A Researcher Is Studying a Newly Discovered Gene That Causes

question 52

Multiple Choice

A researcher is studying a newly discovered gene that causes increased body weight in domesticated chickens. In a mainland population, the frequency of the A₁ allele is 0.2, for this gene with two alleles. If 100 of these mainland chicken are transported on a ship to an isolated island with a population of 200 A₁A₁ chickens, 400 A₁A₂ chickens, and 400 A₂A₂ chickens, what would the frequency of the A₁ allele in the admixed population?

• A) 0.764
• B) 0.618
• C) 0.745
• D) 0.236
• E) 0.382

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Definitions:

Profit-Maximizing

A strategy or process employed by businesses to determine the price and output level that returns the highest profit.

Monopoly

A market structure characterized by a single seller who has exclusive control over the supply of a good or service, and where entry of new competitors is obstructed.

Perfect Competitor

An idealized market structure characterized by a large number of small firms, each being a price taker, with no single firm able to influence the market price.

Long Run

A period in economics where all factors of production and costs are variable, allowing complete industry adjustment.