Answer and explanation

Correct answer: C. Uncontrolled cell division that results from mutations in cell cycle genes

  1. Step 1: Mutations in genes such as proto-oncogenes or tumour suppressors disrupt the control of the cell cycle.
  2. Step 2: Cells divide without regulation and can form tumours.
Answer
uncontrolled cell division due to mutations.
Why not the others: Cancer is not an infection; vitamin deficiency does not cause uncontrolled division; autoimmunity is a different disorder.

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