A Large Population of Laboratory Animals Has Been Allowed to Breed

question 51

Multiple Choice

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 proportion of the population is probably heterozygous (Aa) for this trait?

• A) 0.05
• B) 0.25
• C) 0.50
• D) 0.75

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Definitions:

Functionalist Perspective

An approach in sociological theory focusing on the functions of each part of a society and how these parts contribute to the stability and functionality of the whole.

Economic Rewards

Benefits or compensations received as a result of one's work or economic activities, including salaries, wages, and bonuses.

Vital Jobs

Positions or roles that are essential for the functioning of society, often including healthcare, public safety, and food supply services.

Intergenerational Mobility

The movement or changes in social status that occur from one generation to the next within a family.