allele frequency change
What allele frequency change means in Biology A-Level, as defined for AQA.
Definitions of allele frequency change
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Reference: AQA
The shift in allele proportions because breeders are not a random sample, with the advantageous allele increasing over successive generations.
A change in the proportions of alleles in a population, whether an increase or a decrease, occurring over generations.
Topics that use allele frequency change
- Evolution may lead to speciation (A-level only) (AQA A-Level)
Related terms
- allopatric speciation
- causes of change
- common ancestry
- competition for resources
- continuous variation
- crossing over
- directional selection
- discontinuous variation
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