Multiple choice

Which of the following professionals are more likely to run the risk of a permanent change in their DNA cells?

  1. Researchers using carbon - 14 isotope

  2. X-ray technicians

  3. Coal miners

  4. Dyers and painters
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

X-ray technicians are exposed to ionizing radiation, which has the potential to damage DNA and cause mutations. While other professions have risks, ionizing radiation is a direct mutagen.

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