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Karyotype
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Photograph of chromosomes grouped in order in pairs.
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Sex chromosome
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One of two chromosomes that determine an individual's sex.
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Autosome
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Chromosome that is not a sex chromosome.
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Pedigree
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Chart that shows the relationships within a family.
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Sex-Linked Gene
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Gene located on the X or Y chromosome.
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Nondisjunction
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Error in meiosis in which homologous chromosomes fail to separate.
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DNA Fingerprinting
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Analysis of sections of DNA that have little or no known function, but vary widely from one individual to another, in order to identify individuals.
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