If a Drosophila Female Has a Homozygous Mutation for a Maternal

question 47

Multiple Choice

If a Drosophila female has a homozygous mutation for a maternal effect gene,

• A) she will not develop past the early embryonic stage.
• B) all of her offspring will show the mutant phenotype, regardless of their genotype.
• C) only her male offspring will show the mutant phenotype.
• D) her offspring will show the mutant phenotype only if they are also homozygous for the mutation.
• E) only her female offspring will show the mutant phenotype.

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Definitions:

Operant Extinction

The process in behavior modification where behaviors are reduced or eliminated due to the withholding of reinforcement.

Reinforcing Events

Activities or occurrences that strengthen a particular behavior or response, making it more likely to occur in the future.

Evidence-Based Measure

A tool or instrument used in healthcare that has been scientifically validated to assess outcomes, symptoms, or other variables of interest.

Reliability

The degree to which an assessment tool produces stable and consistent results over multiple measurements.