Which of the Following Statements About Mutations Is True

question 4

Multiple Choice

Which of the following statements about mutations is true?

• A) Mutations occur deliberately because of errors in the replication of DNA.
• B) The total collection of the alleles will contain high frequencies of alleles that came about by mutation.
• C) Mutations occur quickly from generation to generation and are immediately expressed in phenotypes.
• D) Mutations occur randomly and some mutations are responsible for dramatic changes in phenotype.
• E) Phenotype changes that occur via mutations are always small changes.

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Definitions:

Hyaline Membrane Disease

A respiratory disorder primarily affecting premature infants, characterized by the formation of a glassy membrane in the lungs, leading to breathing difficulties.

Flow Volume Loop

A graphical representation of the amount of air an individual can inhale and exhale over time, used in the diagnosis and assessment of lung function.

Cystic Fibrosis

A genetic disorder affecting the lungs and digestive system, characterized by thick, sticky mucus that can clog airways.

Heimlich

A life-saving maneuver used to dislodge an obstruction from the throat of a person choking.