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Definition of Complementary DNA

Complementary DNA: Single-stranded DNA made in the laboratory from a messenger RNA template under the aegis of the enzyme reverse transcriptase. This form of DNA is often used as a probe in the physical mapping of a chromosome. Abbreviated as cDNA.

Source: MedTerms™ Medical Dictionary
http://www.medicinenet.com/script/main/art.asp?articlekey=2806
Last Editorial Review: 6/14/2012

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