The Most Common Cause of Both Trisomy and Monosomy Is

question 46

Multiple Choice

The most common cause of both trisomy and monosomy is

• A) exposure to radiation.
• B) carcinogenic agents.
• C) smoking.
• D) nondisjunction.
• E) None of these are the most common cause of trisomy and monosomy.

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Definitions:

Cell Body

The part of a neuron that contains the nucleus and most of the cytoplasm and organelles, serving as the metabolic center.

Neuron Cell Bodies

The part of a neuron that contains the cell nucleus and is responsible for maintaining the life of the cell and initiating neural signals.

Central Nervous System

Comprised of the brain and spinal cord, it serves as the main control center for the body, processing information and directing bodily responses.

Action Potentials

Rapid electrical impulses that travel along the membrane of nerve cells or muscle fibers, initiating activity.