Biology A-Level
disease
What disease means in Biology A-Level, as defined for AQA.
Definition of disease
Check what you remember
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Reference: AQA
Removes the individuals whose immune systems cannot cope, so alleles giving resistance are favoured.
Topics that use disease
- Evolution may lead to speciation (A-level only) (AQA A-Level)
Related terms
- allele frequency change
- allopatric speciation
- causes of change
- common ancestry
- competition for resources
- continuous variation
- crossing over
- directional selection
Using disease in the exam
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