Why Does a Person Who Has a Deletion of the Coding

question 12

Multiple Choice

Why does a person who has a deletion of the coding regions for five genes on one chromosome 15 have some manifestations or overt problems?

• A)The deletions occurred in an autosome and not in a sex chromosome.
• B)He or she has only one copy of the gene alleles, which results in reduced function.
• C)The overall expression of the deleted areas is the same as if trisomy 15 were present.
• D)The deleted areas are introns rather than exons; thus, no compensation occurred on the homologous chromosome.

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Definitions:

Constipation

A condition characterized by difficulty in passing stools or an infrequent passage of hard, dry stools.

Medications

Substances used in the diagnosis, treatment, or prevention of disease, usually administered to modify or control specific physiological processes.

Bowel Movement

The passage of feces out of the body through the rectum and anus.

Standing Order

A set of written instructions authorized by a physician or other medical authority that allows others to perform certain medical actions under specific circumstances without requiring a direct order each time.