Biology A-Level
allele
What allele means in Biology A-Level, as defined for AQA, Pearson Edexcel.
Definitions of allele
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Reference: AQA
A different version, or different base sequence, of a gene at the same locus.
One version of a gene, differing from another version in its base sequence.
An alternative version of a gene, found at the same locus on a chromosome.
Topics that use allele
- Genetic diversity and adaptation (AQA A-Level)
- Inheritance (A-level only) (AQA A-Level)
- Modern Genetics (Pearson Edexcel A-Level)
Related terms
- genetic diversity
- Mutation
- Phenotype
- advantage depends on environment
- allele passed to offspring
- altered tertiary structure
- aseptic technique
- bacterial lawn
Using allele in the exam
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