

Topic 4: Genetic information, variation and relationships between organisms
Chapter 9: Genetic diversity and adaption
AQA A-Level Biology
Lesson (9.1)
- Describe gene mutations
- Explain how deletion and substitution of bases result in different amino acid sequences in polypeptides.
- Explain why some mutations do not result in a changed amino acid sequence.
- Describe what chromosome mutations are.
Specification reference:3.4.3
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