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![[-- gene amplification --]](Images/Terms/gene_amp.gif)
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| defined: |
An increase in the number of copies of any particular piece of DNA. A tumor cell amplifies, or copies, DNA segments naturally as a result of cell signals and sometimes environmental events.
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| explained: |
Listen to a detailed explanation.
Dr. Lawrence Brody, of the National Human Genome Research Institute's Genetic and Molecular Biology Branch, defines gene amplification. |
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related terms: |
cell, deoxyribonucleic acid (DNA), gene, oncogene | |
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