A Mutation in a Gene Often Results in a Reduction

question 6

Multiple Choice

A mutation in a gene often results in a reduction of the product of that gene.The term for this type of mutation is ________.

• A) codominance
• B) incomplete dominance
• C) gain of function
• D) multiple allelism
• E) loss of function or null (in the case of complete loss)

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Definitions:

Vitamin

Organic compounds that are essential in small amounts for the body to function properly, often obtained through diet.

Gastrin

A hormone produced by the stomach that stimulates the secretion of gastric acid.

Secreted

Refers to the process by which substances are produced and discharged from a cell, gland, or organ for a particular function in the organism or for excretion.

Glucose

A simple sugar and important energy source in living organisms, serving as a primary cellular fuel.