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Unformatted text preview: member of a homologous pair is dominant. 10. recessive allele - recessive alleles require both members of the homologous pair to be recessive before they will be expressed as a certain trait. 11. homozygous - a pair of identical alleles; may be homozygous dominant (AA) or homozygous recessive (aa). 12. heterozygous - a pair of alleles in which one is dominant and the other recessive (Aa). 13. genotype - the type of alleles in a certain pair (AA, aa, Aa). 14. phenotype - the expressed trait; the effect that a particular pair of alleles will have. * With Mendel's pea plants a homozygous dominant genotype (TT) and a heterozygous genotype (Tt) both produced the tall phenotype....
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- Fall '10
- Genetics, certain trait, homozygous dominant genotype, Vocabulary of Genetics