Inheritance key words 0.0 / 5 ? BiologyDNA and inheritanceGCSEAQA Created by: HurricaneArthurCreated on: 29-06-16 19:44 Allele Alternative form of a gene 1 of 7 Dominant Allele always expressed 2 of 7 Recessive Only expressed when two copies of the allele are present 3 of 7 Homozygous Alleles are the same E.G. PP, pp 4 of 7 Heterozygous Alleles are different E.G. Pp 5 of 7 Genotype The genes present E.G. Bb, bb 6 of 7 Phenotype The physical characteristic E.G. Brown eyes 7 of 7
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