IB Biology D2.1: Cell and nuclear division (first exams in 2025)

This lesson can be purchased as part of the IB Complete course bundle (first exams 2025) at a heavily discounted price, formed of 40 fully resourced lessons, end of topic exams and student checklists. It can be found here

This PowerPoint contains everything you need to teach the Theme/Unit D2.1: Cell and nuclear division in the new IB Biology specification.

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This Powerpoint consists of over 90 slides and contains the followings:

All the information the IB have included in the new spec.

Clear diagrams
Student friendly content
Summary videos
Student research tasks
Clearly identified HL and SL content
Student checklist
Summary

The following content is included:

D2.1.1:Outline how new cells can be generated by cell division.
D2.1.2: Outline the process of cytokinesis in plant and animal cells.
D2.1.3: Explain that not all cells undergo equal cytoplasmic division.
D2.1.4: Outline the roles of mitosis and meiosis in eukaryotic cells.
D2.1.5: Describe the shared features of mitosis and meiosis.
D2.1.6: Describe the phases of mitosis.
D2.1.7: Identify the stages of mitosis from photomicrographs.
D2.1.8: Explain why meiosis is a reduction division.
D2.1.9: Describe the stages of meiosis.
D2.1.10: Describe the causes and consequences of non-disjunction.
D2.1.11: Explain how meiosis generates genetic diversity.
D2.1.12: Outline the need for cell proliferation.
D2.1.13: Outline the phases of the cell cycle.
D2.1.14: Describe the changes that occur in a cell during interphase.
D2.1.15: Describe how cyclins control the cell cycle.
D2.1.16: Explain the possible consequences of mutations in genes that control the cell cycle.
D2.1.17: Calculate mitotic index and explain the difference in mitotic index between cancerous and non-cancerous tissue.