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| defined: |
The chemical inside the nucleus of a cell that carries the genetic instructions for making living organisms.
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| explained: |
Listen to a detailed explanation.
Dr. Leslie Biesecker, of the National Human Genome Research Institute's Laboratory of Genetic Disease Research, defines deoxyribonucleic acid (DNA). |
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| illustrated: | View illustration | |
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related terms: |
cell, nucleus, protein, double helix | |
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