Southern blot
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.
Origin of Southern blot
after Edwin M.
Southern, originator of the technique