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DNA fingerprint

   Also found in: Dictionary/thesaurus, Medical, Legal, Financial, Wikipedia 0.01 sec.
DNA fingerprint [¦dē¦en¦ā ′fiŋ·gər‚print]
(genetics)
Each human individual's virtually unique pattern of deoxyribonucleic acid (DNA) fragment sites produced by restriction enzyme digestion, separated by gel electrophoresis, and hybridized to labeled DNA.


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Each DNA fingerprint is unique, and can be produced from the smallest samples - a single hair or just a few skin cells.
Today DNA fingerprints are examined everywhere, even in portable laboratories, and the equipment for genetic fingerprinting is being made by dozens of companies around the world.
A DNA fingerprint is constructed by first extracting a DNA sample from body tissue or fluid such as hair, blood, or saliva.
 
 
 
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