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D2.1.11—Meiosis as a source of variation

Experiments

Here are experiments our science specialists have selected to support this IB* topic.

Mitosis & Meiosis

Experiment #3 from Advanced Biology with Vernier

In this experiment, you will

  • Examine and compare the phases of mitosis in animal and plants cells.
  • Determine the relative time cells spend in each phase of mitosis.
  • Prepare microscope slides of mitotic cells using onion Allium root tips.
  • Follow the processes of mitosis and meiosis in the life cycle of Sordaria.
  • Examine the arrangement of Sordaria ascospore microscopically to determine the frequency of crossing over.
  • Calculate the distance, in map units, between a specific gene and the chromosome centromere.

Educational Standard
International Baccalaureate (IB) 2025
Subject
Biology
Theme
D Continuity and change
Level of organization
2 Cells
Topic
D2.1 Cell and nuclear division
Section
Standard level and higher level

* The IB Diploma Program is an official program of the International Baccalaureate Organization (IBO) which authorizes schools to offer it. The material available here has been developed independently of the IBO and is not endorsed by it.

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