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    Biology GCSE

    Homozygous dominant and homozygous recessive

    What Homozygous dominant and homozygous recessive means in Biology GCSE, as defined for AQA.

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    A homozygous organism has two identical alleles, which can be two dominant alleles, such as TT, or two recessive alleles, such as tt.
    AQA · Genetic inheritance (study guide)

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