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12 Cards in this Set
- Front
- Back
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Meiosis
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a process in the cell division during which the number of chromosomes decreases to half the original number by two divisions of the nucleus, which results in the production of sex cells
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Heredity
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the passing of genetic traits from parents to offspring
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Pedigree
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a diagram that shows the occurrence of a genetic trait in several generation of a family
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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 traits
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Allele
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one of the alternative forms of a gene that governs a characteristic, such as hair color
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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 disappearing in the first generation when parents with different traits are bred
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Phenotype
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an organism's appearance or other detectable characteristics
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Probability
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the likelihood that a possible future event will occur in any given instance of the event
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Gene
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one set of instructions for an inherited trait
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Sex Chromosomes
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one of the pair of chromosomes that determine the sex of an individual
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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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