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13 Cards in this Set
- Front
- Back
Word
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Definition
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Heredity
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the passing of genetic traits from parent to offspring
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Dominant trait
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the trait observed in the first generation when parents that have different traits are bred
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Recessive trait
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a trait that reappears in the second generation after disappering in the first generation when parents with different traits are bred
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Gene
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one set of instructions for inherited trait
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Allele
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one of the alternative forms of agene that governs a characteristic
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Phenotype
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an organism's apperance or other detectable characteristic
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Genotype
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the entire genetic makeup of an organism; also the combination of genes for one or more specific
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Probability
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the likelilhood that a possible future event will occur in any given instance of the event
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Homologous chromosomes
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chromosomes that have the same sequence of genes and the same structure
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Meiosis
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is a copying process that produces cell with half the usual number of chromosomes
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Sex Chromosome
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one of the pair of chromosomes that determine the sex of an individual
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Pedigree
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a diagram that shows the occurrence of a genetic trait in several generation
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