Biology A-Level
base substitution
What base substitution means in Biology A-Level, as defined for AQA.
Definition of base substitution
Check what you remember
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Reference: AQA
One base is replaced by a different base, affecting one triplet only.
Topics that use base substitution
Related terms
- alleles
- chemical mutagens
- chromosome content diagrams
- crossing over
- degenerate code
- frameshift
- genetic variation
- independent segregation
Using base substitution in the exam
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