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IB Biology HL A3.1.11 Whole Genome Sequencing Questions

Analyse whole-genome sequencing and bioinformatics evidence for gene discovery, genome comparison and model-organism research.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • Explain how sequencing and bioinformatics identify genes and open reading frames within a genome.
  • Use nucleotide-sequence alignment to compare genomes and infer evolutionary relationships.
  • Evaluate model-organism selection and current or future applications of whole-genome sequencing.

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Study A3.1.11—Whole genome sequencing conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

IB Biology HL A3.1.11 Whole Genome Sequencing Questions question 1

[Maximum number: 3]

The table shows a comparison of DNA base sequences in several yeast (Saccharomyces) genomes.

Table for Question IB Biology HL A3.1.11 Whole Genome Sequencing Questions question 1 — IB Biology HL

The yeast Saccharomyces cerevisiae was the first eukaryotic organism to have its entire genome sequenced. Suggest reasons for the choice of yeast as a study organism.

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