Multiple Choice
Xeroderma pigmentosum is a human genetic disease caused by
A) elevated levels of cholesterol in the blood.
B) loss of genes controlling the SOS response.
C) mutations that inactivate tumor suppressor genes.
D) failure to produce pigment that protects the skin cells from UV light exposure.
E) defective DNA excision-repair mechanisms.
Correct Answer:

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Correct Answer:
Verified
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