noun Biology, Medicine/Medical.
a procedure for identifying and measuring the amount of a specific DNA sequence or gene in a mixed extract, as in testing for a mutation or a virus: DNA strands from the person or organism under study are cut with restriction enzymes, separated by gel electrophoresis, transferred to special filter paper, and hybridized with a labeled DNA probe.
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Origin of Southern blot
after Edwin M. Southern, originator of the technique
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019