Which Scenario Is Not a Likely Occurrence After a Gene

question 184

Multiple Choice

Which scenario is not a likely occurrence after a gene duplication event?

• A) One gene retains its function, while the other becomes a pseudogene.
• B) Both genes retain their functions, but they are expressed in different patterns or tissues.
• C) Both genes become pseudogenes.
• D) One gene retains its function, while the other evolves to have a new function.
• E) Both genes are deleted from the genome.

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Definitions:

Arrhythmias

Irregular heartbeats resulting from abnormalities in the heart’s electrical impulses, which can affect heart function.

Isovolumetric Contraction

A phase of the cardiac cycle during which the ventricles contract with no change in blood volume, because all heart valves are closed.

Pressure

The force exerted by a substance per unit area on another substance or on a surface, measured in units such as Pascals.

Ventricular Repolarization

The process by which the heart's ventricles return to their resting state after contraction, indicated by the T-wave in an ECG.