Down Syndrome Often Results from

question 26

Multiple Choice

Down syndrome often results from

• A) an extra chromosome.
• B) an error during mitosis.
• C) a broken piece of the 21st chromosome.
• D) failure of the 21st pair of chromosomes separating during meiosis.

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Definitions:

Vertebrae

The individual bones that form the vertebral column (spine) in vertebrates, providing structural support and protecting the spinal cord.

Spinal Column

The flexible, vertical structure composed of vertebrae that encloses the spinal cord, providing support and facilitating movement.

Slight Tension

A minimal level of stress or strain on the muscles or body, which can sometimes be beneficial for health and muscle tone.

Frequency

The rate at which a cycle or a vibrating pattern occurs, typically measured in hertz (Hz), and applicable in various contexts such as sound, light, and electrical impulses.