Biology A-Level
ionising radiation and UV
What ionising radiation and UV means in Biology A-Level, as defined for AQA.
Definition of ionising radiation and UV
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Reference: AQA
Agents that damage DNA directly; ultraviolet light makes adjacent thymine bases bond together, distorting the helix so that replication mis-copies it.
Topics that use ionising radiation and UV
Related terms
- alleles
- chemical mutagens
- chromosome content diagrams
- crossing over
- degenerate code
- frameshift
- genetic variation
- independent segregation
Using ionising radiation and UV in the exam
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