Mutations in an Exon Region of a Gene Are Most

question 51

Multiple Choice

Mutations in an exon region of a gene are most likely to _____.​

• A) ​prevent mRNA from being synthesized
• B) ​trap mRNA inside the nucleus
• C) ​prevent mRNA from being recognized by the ribosome
• D) ​prevent mRNA from being post-transcriptionally modified
• E) ​alter the amino acid sequence

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Definitions:

Founder Effect

Genetic drift that results from a small population colonizing a new area.

Frequency-Dependent Selection

Frequency-Dependent Selection refers to an evolutionary process by which the fitness of a phenotype or genotype depends on its frequency relative to other phenotypes or genotypes in the population.

Phenotype

A collection of visible features or attributes in an organism that emerge through the combination of its genetic makeup and environmental influences.

Fitness

In evolutionary terms, an organism's ability to survive and reproduce, thereby passing its genes onto the next generation more effectively than others.