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defined:
The process of making copies of a specific piece of DNA, usually a gene. When geneticists speak of cloning, they do not mean the process of making genetically identical copies of an entire organism.
explained:
Listen to a detailed explanation. (Requires the free RealPlayer download) Dr. Leslie Biesecker, of the National Human Genome Research Institute's Laboratory of Genetic Disease Research, defines cloning.
relatedterms:
deoxyribonucleic acid (DNA), gene
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