sentences:  A new product was a fluorescent molecular tag for immunodiagnostic assays.The company released its second commercial instrument, the Model 380A DNA Synthesizer, which made oligonucleotides, short DNA strands, for polymerase chain reaction (PCR), DNA sequencing, and gene identification.The two sequencer and synthesizer products allowed molecular biologists to clone genes by building oligonucleotides with the desired protein's DNA sequence.