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  1. GCSE
  3. Biology Edexcel
  5. 3.3.2 Alleles and inherited characteristics

3.3.2 Alleles and inherited characteristics

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Revise Edexcel GCSE Biology 3.3.2 Alleles and inherited characteristics with the question bank, lessons, revision guides, and flashcards.

Explain why there are differences in the inherited characteristics as a result of alleles. Explain the terms: chromosome, gene, allele, dominant, recessive, homozygous, heterozygous, genotype, phenotype, gamete and zygote

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