Biology A-Level
alleles
What alleles means in Biology A-Level, as defined for AQA.
Definitions of alleles
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Reference: AQA
Different versions of the same gene, that is different base sequences at the same locus.
Versions of a gene, of which a gene mutation produces a new one.
Topics that use alleles
- DNA, genes and chromosomes (AQA A-Level)
- Genetic diversity can arise as a result of mutation or during (AQA A-Level)
Related terms
- crossing over
- degenerate code
- base sequence
- chemical mutagens
- chromatin
- chromosome content diagrams
- circular organelle DNA
- endosymbiotic theory
Using alleles in the exam
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