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Cancer is caused by

  • A.Loss of immunity of cells
  • B.Uncontrolled meiosis
  • C.Uncontrolled mitosis
  • D.Rupturing of cells

Answer: C

Cancer is caused by uncontrolled mitosis.

Mutations in the genes regulating the cell cycle release a cell from the controls that normally stop division, so it multiplies without limit and its descendants form a tumour. Meiosis produces gametes and has nothing to do with it.

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