IB Biology SL 3.1.10 Comparison of Genome Sizes
Practise IB Biology SL 3.1.10 by interpreting genome-size tables and separating DNA amount from organismal complexity in comparisons.
- Syllabus
- First assessment 2025
- Course
- Biology SL
- Level
- SL
Exam points
- Define genome size as total DNA and explain why it does not always predict organismal complexity.
- Interpret genome-size tables to compare DNA amount, functional DNA and chromosome information.
- Use gene-number and genome-size data to separate genetic information from evolutionary success.
A3.1.10—Comparison of genome sizes 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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