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:

Relational

Pertaining to or concerned with the connections and relationships between people or entities.

Comparative

Involves the assessment or evaluation of something by comparing it with one or more other things.

Perceptual Defence

A psychological mechanism that prevents individuals from consciously acknowledging threatening or unacceptable thoughts, emotions, or information.

Perception

The process of interpreting sensory information to understand and interact with the environment.