AQA GCSE Biology · 8461
Specification 4.6.2.3 · Paper 2
Revise: Selective BreedingSome selectively bred varieties or breeds can therefore become particularly prone to inherited defects or disease.
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GCSE Biology · key term
A genetic condition passed from parents to offspring through alleles.
Used by AQA
Specification 4.6.2.3 · Paper 2
Revise: Selective BreedingSome selectively bred varieties or breeds can therefore become particularly prone to inherited defects or disease.
For a risk question, develop the causal chain: repeated selection may involve related organisms → fewer different alleles → greater chance of inherited defects or widespread susceptibility to disease.
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