No abstract available
MeSH terms
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Alleles
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Base Sequence
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Chromosomes, Human, Pair 21*
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DNA Probes / genetics
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DNA, Satellite / genetics*
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Humans
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Molecular Sequence Data
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Polymerase Chain Reaction
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Polymorphism, Genetic*
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Repetitive Sequences, Nucleic Acid*
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White People
Substances
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DNA Probes
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DNA, Satellite