The Pleiotropy That Occurs When a Single Gene Controls Multiple

question 41

Multiple Choice

The pleiotropy that occurs when a single gene controls multiple skeletal traits in dogs,such as leg bone length and skull size,may be explained because

• A) dogs share a common ancestor.
• B) the skeletal traits are related in the overall function of the dog.
• C) dogs have lived with humans for thousands of years.
• D) the effect of this gene depends on the environment.

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Definitions:

Well-Learned Tasks

Tasks or activities that have been practiced to the point of requiring little conscious thought, often executed automatically.

Liberal

A political and social philosophy that emphasizes individual freedom, democracy, and the importance of civil rights.

Conservative

A political and social philosophy that promotes retaining traditional social institutions in the context of culture and civilization.

Social Loafing

The phenomenon where individuals exert less effort to achieve a goal when they work in a group than when they work alone.