Learning objective
A1.2.9—Diversity of DNA base sequences
DNA stores vast amounts of information because base sequences can vary in length and order across genes, genomes, and organisms.
- Syllabus
- First assessment 2025
- Objective
- A1.2.9
- Level
- SL
Concept essentials
- Diversity of DNA base sequences should be described using precise molecular vocabulary.
- Structure and information must be kept separate: backbones provide continuity while bases carry sequence meaning.
- Exam answers should match the command term and avoid adding unsupported extra claims.
