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IB Biology SL A3.1.9 Diversity of eukaryote genomes

IB Biology SL A3.1.9 Diversity of eukaryote genomes
IB Biology syllabusFirst assessment 2025

Practise interpreting gene-number tables across eukaryotes and judging what can, and cannot, be concluded from genome comparisons.

How this is tested

  • interpret tables of estimated gene numbers without assuming evolutionary progress
  • explain why gene number alone does not determine evolutionary success
  • reject unsupported conclusions about relatedness or protein numbers from limited data
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