Xeroderma pigmentosum is a human genetic disease caused by
A) elevated levels of cholesterol in the blood.
B) failure to produce pigment that protects the skin cells from UV light exposure.
C) defective DNA excision-repair mechanisms.
D) mutations that inactivate tumor suppressor genes.
E) loss of genes controlling the SOS response.
Correct Answer:
Verified
Q1: Which of the following transposable elements are
Q2: A mutation during DNA replication causes a
Q3: Nonsense suppressors are usually mutations in genes
Q4: In order for the dissociation element (Ds)mutations
Q5: Which procedure would you use to detect
Q7: In Drosophila,the wild-type eye color is red.A
Q8: Base analogs may cause mutations because
A)they modify
Q9: Spontaneous mutation rates are greatly reduced by
A)exposure
Q10: A transposon is
A)a DNA segment that can
Q11: Which of the following is not mutagenic?
A)5BU
B)AZT
C)Nitrous
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