0 0 votes Which one of the following techniques can be used to compare the expression of a large number of genes in two biological samples in a single experiment? Polymerase chain reaction $DNA$ microarray Northern hybridization Southern hybridization Molecular tools gate2019 analytical-techniques molecular-biology-and-genetics bioinformatics + – soujanyareddy13 2.7k points answer comment Share Follow 0 reply Please log in or register to add a comment.