When a Gene Duplication Occurs, _______ Nucleotide Substitutions Are Required

question 139

Multiple Choice

When a gene duplication occurs, _______ nucleotide substitutions are required for the evolution of a gene with a new function.

• A) nonsynonymous
• B) synonymous
• C) silent
• D) missense
• E) nonsense

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Definitions:

Unipolar Depression

A major depressive disorder characterized by a persistent feeling of sadness or lack of interest in external stimuli.

Drug Therapy

The use of psychotropic drugs to reduce the symptoms of psychological disorders.

Brain Stimulation

Interventions that directly or indirectly stimulate the brain in order to bring about psychological improvement.

Electroconvulsive Therapy

A psychiatric treatment in which seizures are electrically induced in patients to relieve severe mental disorders.