Expected ratios
What Expected ratios means in Combined Science GCSE, as defined for AQA.
Definitions of Expected ratios
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Reference: AQA
Ratios that describe large numbers of offspring, while actual small samples may differ because fertilisation is random.
Describe probability and may not match small observed samples exactly, as chance variation is larger in small samples.
Topics that use Expected ratios
- Genetic inheritance (AQA GCSE)
- Sex determination (AQA GCSE)
Related terms
Using Expected ratios in the exam
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