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12 Cards in this Set
- Front
- Back
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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 disappearing 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 an inherited trait
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Allele
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one of the alternative forms of a gene that governs a charchteristic such as hair color
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Phenotype
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an organisms appearance 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 traits
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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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Homologous chromosomes
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chromsomes that have the same sequence of genes and the same structure
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Meiosis
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a process in cell division during which the number of chromosomes decrease to half the original number by two division of the nucleus which results in the production of sex cells
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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 occurence of a genteic trait in several generations of a family
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