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CAIE A-Level Biology 16.1.1 Haploid and Diploid Cells

Practise defining haploid and diploid by chromosome sets and homologous pairs, using n and 2n correctly for gametes, zygotes and somatic cells without confusing DNA-copy state.

Syllabus
2028–2030
Course
Biology 9700
Level
A2

Exam points

  • define haploid nuclei as one chromosome set without homologous chromosome pairs
  • define diploid nuclei as two sets containing homologous chromosome pairs
  • apply n and 2n notation correctly to gametes, zygotes and somatic cells

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