Sickle-Cell Disease Is Caused by a Single Mutation in the DNA

question 15

Multiple Choice

Sickle-cell disease is caused by a single mutation in the DNA of a particular gene. A person with this disease has red blood cells that lose their original donut shape and form a sickle shape. People with this disorder suffer from low energy levels, blood clots, and strokes. This is an example of

• A) a multifactorial trait.
• B) polygenic inheritance.
• C) pleiotropy.
• D) codominance.
• E) incomplete dominance.

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Definitions:

Middle

Relating to the intermediate point or position in a sequence, series, or progression.

Win-Lose Perspective

A competitive viewpoint where one party's gain is seen as another's loss, commonly found in conflict situations where cooperation is not considered.

Destructive Conflict

Conflict that dismantles rather than strengthens relationships.

Flexibility

The quality of being adaptable or willing to adjust to new conditions, situations, or changes.