Multiple choice

Which of the following mutagens induces mutation by formation of pyrimidine dimers?

  1. N-ethyl-N-nitrosourea

  2. Nitrous acid

  3. Hydroxylamine

  4. UV light

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

UV light can induce adjacent pyrimidine bases in a DNA strand to become covalently joined as a pyrimidine dimer.