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17 Cards in this Set
- Front
- Back
traits
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physical characteristics
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heredity
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the passing of traits from parent to offspring
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genetics
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the scientific study of heredity
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purebred
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an organism that always produces offspring with the same form of a trait as the parent
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P
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parental generation
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F 1
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filial generation
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genes
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the factors that control traits
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alleles
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the different forms of a gene
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dominant allele
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one whose trait always shows up in the organism when the allele is present
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recessive allele
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one whose trait is hidden whenever the dominant allele is present
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hybrid
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an organism that has two different alleles for the trait
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probability
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the likelihood that an event will occur
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phenotype
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an organism's physical appearance
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genotype
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an organism's genetic makeup
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homozygous
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an organism that has two indentical dominant alleles
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homozygous recessive
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an organism that has two identical recessive alleles
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heterozygous
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an organism that has two different alleles
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