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![[-- substitution --]](Images/Terms/substit.gif){kind=small}
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| defined: |
Replacement of one nucleotide in a DNA sequence by another nucleotide or replacement of one amino acid in a protein by another amino acid.
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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 substitution. |
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related terms: |
amino acids, inherited, mutation, nucleotide, protein | |
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