Biology A-Level
selection
What selection means in Biology A-Level, as defined for AQA.
Definition of selection
Check what you remember
Read the wording for your board, then hide it and explain selection in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Changes allele frequencies by changing which individuals reproduce.
Topics that use selection
- Populations (A-level only) (AQA A-Level)
Related terms
- gene flow
- gene pool
- genetic drift
- large population
- p squared + 2pq + q squared = 1
- population
- allele frequency
- no migration
Using selection in the exam
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