Which of the Following Mutations Is Likely to Cause the Most

question 12

Multiple Choice

Which of the following mutations is likely to cause the most dramatic phenotypic change?

• A) a duplication of all or most introns
• B) a large inversion whose ends are each in the same region between genes
• C) a nucleotide substitution in an exon coding for a transmembrane domain
• D) a single nucleotide deletion in an exon coding for an active site
• E) a frameshift mutation one codon away from the 3' end of the nontemplate strand

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Definitions:

Stimulus Discrimination

The ability to distinguish between different stimuli, even if they are similar, based on learned associations.

Conditioned Stimulus

A previously neutral stimulus that, after becoming associated with an unconditioned stimulus, triggers a conditioned response.

Conditioned Response

A learned response to a previously neutral stimulus that has become associated with a conditioned stimulus.

Unwanted Response

A behavior or reaction that is undesired or negative, often leading to adverse outcomes or consequences.