Huntington Disease Is an Autosomal Dominant Disorder That Leads to Progressive

question 36

Multiple Choice

Huntington disease is an autosomal dominant disorder that leads to progressive degeneration of brain cells.There is no effective treatment for the disorder and individuals usually die in their 40s or 50s,10 to 15 years after the onset of symptoms.Which of these statements about Huntington disease is true?

• A)As an autosomal dominant disease,Huntington disease is expressed only if both parents carry the trait.
• B)Huntington disease usually skips a generation.
• C)Huntington disease can only be inherited when a parent is showing the trait.
• D)Huntington disease usually appears during middle age.
• E)Huntington disease is caused by a defect in the elastic connective tissue protein.

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Definitions:

Brain Areas

Specific regions within the brain that are responsible for various functions, such as emotion, movement, and cognition.

MRI

Magnetic Resonance Imaging, a medical imaging technique used to visualize internal structures of the body in detail.

Brain Tissue

The complex biological tissue comprising the brain, involving neurons, glial cells, and other components essential for cognitive and physiological functions.

Degenerative Disease

A disease characterized by the progressive loss of function in certain organs or tissues, often leading to a decline in health and quality of life.