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5 Cards in this Set
- Front
- Back
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Dominant Alleles |
Only one copy is needed Represented by an upper case letter Expressed in a cells phenotype |
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Recessive Alleles |
Only expressed in the phenotype is two copies of it are present If only one copy in present, its effect is masked by the dominant Lower case |
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Homozygous Alleles |
If the alleles for a characteristic are the same, the organism is said to be homozygous |
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Heterozygous Alleles |
If the alleles for a characteristic are different, the organism is said to be heterozygous Will depend on which is dominant and which is recessive |
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Phenotype or Genotype |
All observable characteristics of an organism are called a phenotype The full set of genes of an organism is called genotype Phenotype = genotype + environmental effects |
