Biology A-Level
locus
What locus means in Biology A-Level, as defined for AQA.
Definitions of locus
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Reference: AQA
The fixed position that a gene occupies on a particular DNA molecule, and therefore on a particular chromosome.
The specific position on homologous chromosomes where the alleles of a gene are found.
Topics that use locus
- DNA, genes and chromosomes (AQA A-Level)
- Inheritance (A-level only) (AQA A-Level)
Related terms
Using locus in the exam
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