When DNA Fingerprinting Is Performed, Why Might an Individual Possess

question 16

Multiple Choice

When DNA fingerprinting is performed, why might an individual possess two different numbers of repeats for the same chromosomal region?

• A) Intergenic DNA may vary from one cell to another in the same individual.
• B) The individual has different numbers of the same repeated sequence on each homologous chromosome.
• C) The sample is contaminated with the DNA of another individual.
• D) Each sister chromatid of a chromosome may contain different numbers of repeats.
• E) It is not possible for this to occur.

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Definitions:

Nervous System

The network of nerve cells and fibers transmitting signals between different parts of the body, responsible for coordinating voluntary and involuntary actions.

Cerebral Cortex

The outer layer of the cerebrum, involved in high-level brain functions such as thought, memory, and consciousness.

Glasgow Coma Scale

A clinical scale used to reliably measure a person's level of consciousness after a brain injury.

Neurologic Recheck

A repeated examination to assess changes in a patient's neurological status.