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15 Cards in this Set
- Front
- Back
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DNA
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Molecule that carries genetic material of a living organism
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Gene
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Unit of heredity that determines some characteristics of the offspring
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Allele
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An alternate form of a gene created by mutation
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Phenotype
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A set of observable characteristics
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Genotype
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Genetic constitution of an organism
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Recessive Gene
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Genes that don't appear on a person
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Heterozygous
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Two different alleles of a gene appear in an organism
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Dominant Gene
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Genes that appear on a person
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Homozygous
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Two of the same alleles appear on a person
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Chromosome
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Threadlike structure in the nucleus of a cell that carries the genes
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Chromatid Pairs
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Two of the same chromosomes
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Incomplete Dominance
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One allele is not completely expressed over its paired allele
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Mitosis
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Cell division where two daughter cells are exactly the same as the parent cell
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Meiosis
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Four daughter cells have half the number of chromosomes as the parent cell
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Codominance
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Alleles of a gene pair are fully expressive
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