A Large Deletion Removes the Promoter and First Three Exons

question 23

Multiple Choice

A large deletion removes the promoter and first three exons of a gene.No mRNA or protein is detected.What type of allele is this mutant allele?

• A)hypomorphic allele
• B)hypermorphic allele
• C)null allele
• D)antimorphic allele

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Definitions:

Nervous System

The nervous system is a complex network of nerves and cells that carries messages between the brain and spinal cord to various parts of the body.

Skin Sensations

The subjective feelings or perceptions resulting from the stimulation of sensory receptors in the skin, including touch, pressure, heat, cold, and pain.

Pressure

The force applied perpendicular to the surface of an object per unit area over which that force is distributed.

Warmth

A characteristic of interpersonal communication that indicates kindness, friendliness, and genuine interest in others.