Which of the Following Statements Concerning Down Syndrome Is FALSE

question 31

Multiple Choice

Which of the following statements concerning Down syndrome is FALSE?

• A) Down syndrome involves nondisjunction.
• B) Down syndrome individuals have 47 chromosomes per somatic cell.
• C) Down syndrome incidence increases with increasing material age.
• D) Down syndrome individuals have an extra chromosome 22.
• E) Down syndrome is variable in expression.

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Definitions:

Plastic Repair

A process of restoring or fixing plastic materials or products, often involving techniques like welding, patching, or replacing components.

Ureter

A tube that carries urine from the kidneys to the bladder, crucial for the urinary system's function.

Random Urine Specimen

A single urine specimen taken at any time of the day; the most common type of sample collected.

Timed Urine Specimen

A specimen of a patient’s urine collected over a specific time period.