Describe the importance of mitosis in the human body.

Cambridge International IGCSE Biology (0610) — 17.2 Mitosis · Describe · 4 marks · View as Markdown

Written & reviewed by James Millett — Biology (Imperial College London), PGCE Science (University of Cambridge).

Model answer (4 marks)

Mitosis produces two daughter cells that are genetically identical to the parent cell.
The diploid chromosome number is maintained in the daughter cells.
Mitosis is important for growth of the organism.
Mitosis is important for repair and replacement of damaged or old cells / tissues.

Examiner tips

Use the exact wording from the mark scheme; each point counts as one mark.
Show the four points clearly, preferably as separate sentences or bullet‑style points.

Common mistakes

Confusing mitosis with meiosis or describing gamete formation.
Omitting the fact that the daughter cells are diploid and genetically identical.

Mark scheme (4 marks)

Mitosis produces two daughter cells that are genetically identical to the parent cell
The diploid chromosome number is maintained in the daughter cells
Mitosis is important for growth of the organism
Mitosis is important for repair and replacement of damaged or old cells / tissues

Key terms in this question

mitosis