Journal Article

The ABCs of DNA

James Wisecarver

in Laboratory Medicine

Published on behalf of American Society for Clinical Pathology

Volume 28, issue 1, pages 48-52
Published in print January 1997 | ISSN: 0007-5027
Published online November 2015 | e-ISSN: 1943-7730 | DOI:
The ABCs of DNA

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Molecular techniques are being used increasingly to provide diagnostic and prognostic information about patient specimens. This article provides the information necessary to begin to understand the molecular basis of such testing. We will discuss some of the chemical and physical properties of DNA that can be exploited to provide useful clinical information. DNA is a double-stranded molecule, with the strands arranged in opposite or antiparallel fashion. These strands can be separated, or denatured, to allow access to the information contained within each strand. After these strands have been denatured, several laboratory techniques can be used to examine the structural information encoded therein. We also discuss methods for extracting DNA from tissues and cells and some of the basic laboratory tools and techniques used in working with DNA.

Journal Article.  0 words. 

Subjects: Medical Skills ; Pathology

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