Biology A-Level
allele frequency
What allele frequency means in Biology A-Level, as defined for AQA.
Definition of allele frequency
Check what you remember
Read the wording for your board, then hide it and explain allele frequency in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
The proportion of a gene pool made up by one particular allele, written as a decimal or a percentage.
Topics that use allele frequency
- Populations (A-level only) (AQA A-Level)
Related terms
- gene flow
- gene pool
- genetic drift
- large population
- p squared + 2pq + q squared = 1
- population
- no migration
- random mating
Using allele frequency in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Biology questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Biology A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge