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IB Biology SL D2.1.4 Roles of Mitosis and Meiosis Questions

Mitosis maintains chromosome number for growth, tissue repair and asexual reproduction. Meiosis halves chromosome number to produce gametes and generates genetic diversity. SL questions test these roles and outcomes.

Syllabus
First assessment 2025
Course
Biology SL
Level
SL

Exam points

  • Identify mitosis as the process used for growth, tissue repair and asexual reproduction.
  • Explain that meiosis produces haploid gametes and increases genetic diversity; fertilisation restores diploidy.
  • Compare mitosis and meiosis by daughter-cell number, chromosome number and genetic similarity.

IB Biology SL D2.1.4 Roles of Mitosis and Meiosis Questions question 1

[Maximum number: 2]

The following sequence of pictures, made using an electronic imaging technique, shows a cell undergoing division.

Image I

Image I

List two processes that involve mitosis.

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