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    Combined Science GCSE

    Dominant allele

    What Dominant allele means in Combined Science GCSE, as defined for AQA.

    Definitions of Dominant allele

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    Reference: AQA

    An allele that is always expressed, even if only one copy is present.
    AQA · Genetic inheritance (study guide)
    An allele that is expressed even when only one copy is present.
    AQA · Genetic inheritance (study guide)
    Represented by a capital letter in the genotype, such as B.
    AQA · Genetic inheritance (study guide)

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