What Is the Result of a Mutation Occurring in a Suppressor

question 16

Multiple Choice

What is the result of a mutation occurring in a suppressor gene?

• A)Gain of a new function
• B)Loss of an existing function
• C)Increased "error-prone" DNA repair
• D)Increased unequal "crossing over" during meiosis I

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Definitions:

Lactase

An enzyme in the small intestine that enables humans to assimilate lactose (milk sugar).

Melanin

A pigment found in most organisms, responsible for coloration of the skin, hair, and eyes, and protection against UV radiation.

Vitamin D

A fat-soluble vitamin essential for healthy bones and immune function, obtained from sunlight exposure, food, and supplements.

Lactose Intolerance

The inability to fully digest lactose, a sugar found in milk and dairy products, leading to digestive problems.