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    Combined Science GCSE

    Homozygous

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

    Definitions of Homozygous

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    Reference: AQA

    If the two alleles present are the same, the organism is homozygous for that trait, for example AA or aa.
    AQA · Genetic inheritance (study guide)
    Describes an individual carrying two identical alleles for a particular gene, for example BB or bb.
    AQA · Genetic inheritance (study guide)
    Describes a diploid organism whose two copies of a gene are the same allele.
    AQA · Genetic inheritance (study guide)

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    Using Homozygous in the exam

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