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:

East Asians

People originating from countries in the eastern part of Asia, usually including China, Japan, and Korea, among others.

Americans

Residents or citizens of the United States of America.

Physically Attractive People

Individuals perceived to have physical features that are aesthetically pleasing or beautiful to others.

Competent

Having the necessary ability, knowledge, or skill to do something successfully or efficiently.