transcript expression assay cDNA clone-based transcript expression assay 2018-05-28T18:07:22Z A method which assesses transcript expression by reverse transcription of purified mRNA into the corresponding complementary DNA (cDNA) before insertion into a vector, allowing synthesis of a large number of copies of the sequence for analysis. MMO:0000645 OBI:0600064 cDNA clone jrsmith measurement_method_ontology