Key term for OCR GCSE Biology A, used in Health and disease.
Small differences in the DNA sequence between individuals that can result in different physical characteristics or disease risks.
Variation appears in OCR GCSE Biology A revision content for Global challenges, especially Health and disease and Human genome.
Global challenges
Health and disease • Human genome
Genes, inheritance and selection
Natural selection and evolution • Darwin and Wallace
Genes, inheritance and selection
Natural selection and evolution • Evolution definition
Genes, inheritance and selection
Natural selection and evolution • Genetic variation
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