Why Does a Mutation in a Maternal-Effect Gene Affect the Offspring

question 42

Multiple Choice

Why does a mutation in a maternal-effect gene affect the offspring of mutant females and not the mutant female herself?

• A)because the affected female is heterozygous
• B)because the mutant gene product is not needed in development
• C)because the mutant gene product results in defective oocytes
• D)because the father of the affected offspring is also affected

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Definitions:

Classical Conditioning

A learning process that occurs through associations between an environmental stimulus and a naturally occurring stimulus.

Exposure and Response Prevention

A behavioral therapy technique for treating anxiety disorders that involves exposing the patient to anxiety-inducing stimuli while preventing their habitual response to the anxiety.

Benzodiazepines

A class of psychoactive drugs used primarily for treating anxiety, insomnia, and seizures by enhancing the effect of the neurotransmitter GABA in the brain.

Diazepam (Valium)

A medication belonging to the benzodiazepine class, commonly used to treat anxiety, muscle spasms, and seizures, as well as to provide sedation.