Use This Information to Answer the Following Questions

question 68

Multiple Choice

Use this information to answer the following questions.
A large population of laboratory animals has been allowed to breed randomly for a number of generations. After several generations, 25% of the animals display a recessive trait (aa) , the same percentage as at the beginning of the breeding program. The rest of the animals show the dominant phenotype, with heterozygotes indistinguishable from the homozygous dominants.
-What is the estimated frequency of allele A in the gene pool?

• A) 0.25
• B) 0.50
• C) 0.75

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Definitions:

Expanding Plant

The process of increasing the size or capacity of a manufacturing or production facility.

Product Price

The financial outlay necessary to acquire a certain item or service.

Competitive Firm

A business that operates in a market where it has multiple competitors, and no single firm can influence the market price of goods or services.

Short Run

A time period in economics where at least one input is fixed, restricting the ability to adjust production levels fully.