Considering the Overall Human Population of the U

question 17

Multiple Choice

Considering the overall human population of the U.S. mainland at the time when the slave trade brought large numbers of people from equatorial Africa, what was primarily acting to change the frequency of the sickle-cell allele in the overall U.S. population?

• A) natural selection
• B) gene flow
• C) genetic drift
• D) founder effect
• E) Two of the responses are correct.

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Definitions:

Agriculture

The practice of cultivating the soil, growing crops, and raising livestock for food, fiber, and other products.

Production

The process of creating goods and services through the combination of labor, materials, and technology.

Absolute Advantage

Absolute Advantage refers to the capability of a country or entity to produce a good or service more efficiently than its competitors, using fewer resources.

Comparative Advantage

is an economic principle that describes how countries or individuals can gain by specializing in the production of goods they can produce more efficiently compared to others.