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D2.1.8—Identification of mitosis phases

Mitosis phases can be identified from chromosome condensation, equator alignment, chromatid separation and nuclear membrane reformation in actively dividing cells.

Syllabus
First assessment 2025
Objective
D2.1.8
Level
SL

Concept essentials

  • Condensed unaligned chromosomes suggest prophase.
  • Chromosomes at the equator indicate metaphase.
  • Separated chromatids moving to poles indicate anaphase.
  • Re-forming nuclei around chromosome groups indicate telophase.
ConceptIB Biology SL