The Most Common Type of Mutation That Causes Cystic Fibrosis

question 33

Multiple Choice

The most common type of mutation that causes cystic fibrosis is a(n) ____.

• A) deletion
• B) insertion
• C) base-pair substitution
• D) gene duplication
• E) transformation

---

Definitions:

DSM

Diagnostic and Statistical Manual of Mental Disorders, a handbook used by healthcare professionals as a guide to diagnosing mental disorders.

Neurosis

A class of mental disorders characterized by anxiety, phobias, or other obsessive or compulsive behaviors, not attributed to the disruptions in personality or reality seen in psychosis.

DSM-IV-TR

The Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision; a manual published by the American Psychiatric Association that provides criteria for the diagnosis of mental disorders.

Specific Phobias

Intense, irrational fears of specific objects or situations, such as heights, spiders, or flying, that lead to avoidance behavior.