Genetics Quiz#6 DNA repair

1. A 28-year-old patient presents with severe photosensitivity and a history of multiple skin cancers. Genetic testing reveals a defect in nucleotide excision repair. Which condition does this patient most likely have?

Question 1 of 5

2. Which of the following DNA repair mechanisms is specifically responsible for correcting mismatches that escape proofreading during DNA replication?

Question 2 of 5

3. A researcher is studying a DNA repair pathway that specifically targets and repairs spontaneous deamination of cytosine to uracil in the genome. Which DNA repair pathway is the researcher studying ?

Question 3 of 5

4. In the context of DNA repair, non-homologous end joining (NHEJ) differs from homologous recombination (HR) in that NHEJ ;

Question 4 of 5

5. A genetic condition results in an increased risk of colorectal cancer and is characterized by defects in the DNA mismatch repair system. This condition is best known as:

Question 5 of 5


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