A lab technician is running a test on a patient's sample that is likely infected with salmonella. The technician correctly performs PCR on the sample using primers known to identify salmonella. Then they run the PCR product on an electrophoresis gel. What is the technician likely to see on the gel if the patient does have salmonella?

bands matching the size found in known salmonella samples

bands that do not match the size found in known salmonella samples

no bands