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CAIE A-Level Biology 5.1 Replication and Division Question Bank

Practise replication-and-division questions by tracking chromosomes through S phase, explaining telomeres and linking stem cells or mutations to cell-cycle outcomes.

Syllabus
2028–2030
Course
Biology 9700
Level
AS

Exam points

  • label DNA, histones, sister chromatids, centromeres and telomeres on chromosome diagrams
  • calculate DNA, chromatid, centromere or telomere changes through S phase and division
  • link mitosis, stem-cell self-renewal and mutations in control genes to repair or tumours

Covered syllabus points

5.1.1—Chromosome structure and telomeres5.1.2—Importance of mitosis5.1.3—Mitotic cell cycle5.1.4—Telomeres5.1.5—Stem cells5.1.6—Tumour formation

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