When an Allele Can Produce a Range of Phenotypes, Its

question 45

Multiple Choice

When an allele can produce a range of phenotypes, its expression is said to be

• A) clearly established.
• B) variable.
• C) codominant.
• D) incompletely dominant.
• E) incompletely penetrant.

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Definitions:

Sinus Arrhythmia

A naturally occurring variation in heart rate that occurs during a breathing cycle, typically considered normal.

Sphygmomanometer

A device used to measure blood pressure, typically consisting of an inflatable cuff, a measuring unit (either mercury or aneroid), and a mechanism for inflation which may be manual or automatic.

False High

An inaccurately elevated measurement or reading, often due to procedural or equipment errors.

Hemoglobin

A protein in red blood cells responsible for carrying oxygen from the lungs to the rest of the body.