Human Skin Color Is an Example of ____, While Sickle-Cell

question 73

Multiple Choice

Human skin color is an example of ____, while sickle-cell anemia is an example of ____.

• A) multiple alleles; epistasis
• B) incomplete dominance; multiple alleles
• C) polygenic inheritance; pleiotropy
• D) pleiotropy; polygenic inheritance
• E) incomplete dominance; pleiotropy

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Definitions:

Flexor Pollicis Brevis

A muscle in the hand that flexes the thumb, contributing to the thumb's gripping function.

Hypothenar

The fleshy mass at the base of the little finger, composed of muscles used in controlling the movement of the pinky.

Palmar Interosseous

Muscles located on the palm of the hand, responsible for the movement and positioning of the fingers.

Extensor Muscle

A muscle whose contraction causes an extension of a limb or part of the body.