Which Point Mutation Would Be Most Likely to Have a Catastrophic

question 62

Multiple Choice

Which point mutation would be most likely to have a catastrophic effect?

• A) A base substitution
• B) A base deletion near the start of the coding sequence
• C) A base deletion near the end of the coding sequence
• D) A base insertion near the end of the coding sequence
• E) The deletion of three bases near the start of the coding sequence

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Definitions:

Hering-Breuer Reflex

Sensory impulses from stretch receptors in the lungs arrest inspiration; expiration then occurs.

Overinflation

The condition of being expanded or filled beyond the optimal level, often referring to the lungs or tires.

Sensory Components

Parts of the nervous system that receive and process sensory information from the environment or the body, leading to sensations.

Nasopharynx

The upper part of the throat located behind the nose, which connects the nasal cavity to the mouth and serves as an airway in the respiratory system.