IB Biology SL A3.1.10 Comparison of Genome Sizes Questions
Compare total DNA and gene-count data to explain why a larger genome does not necessarily indicate greater organism complexity.
- Syllabus
- First assessment 2025
- Course
- Biology SL
- Level
- SL
Exam points
- Define genome size as the total amount of DNA in one chromosome set.
- Compare genome-size data with organism complexity and explain why the relationship is not necessarily positive.
- Use genome tables to distinguish DNA amount, gene number and functional DNA.
IB Biology SL A3.1.10 Comparison of Genome Sizes Questions question 1
The table shows the nuclear DNA content of some plant and animal species.
Using the data provided in the table, discuss whether genome size positively correlates to organism complexity.
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