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IB Biology SL D2.1.7 Phases of Mitosis Questions

Analyse chromosome condensation, spindle alignment, chromatid separation and nuclear re-formation across mitotic phases in IB Biology SL D2.1.7.

Syllabus
First assessment 2025
Course
Biology SL
Level
SL

Exam points

  • Place prophase, metaphase, anaphase and telophase in the correct sequence and identify their defining chromosome events.
  • Identify spindle alignment, sister-chromatid separation and poleward movement in mitotic diagrams.
  • Explain or calculate how mitosis produces two genetically identical nuclei with the expected chromosome count.

IB Biology SL D2.1.7 Phases of Mitosis Questions question 1

[Maximum number: 1]

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

Image I

Image I

State the stage of mitosis typified by image II.

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