A genetic analysis was a medical scan to identify or verify a lifeform. By using a few undamaged cells, Doctor Phlox was able to perform a genetic analysis on the unidentified individual found in a vessel. The result found no match in the Starfleet database but he was no ordinary Human. (ENT: "Future Tense") In 2153, Drake asked Moninger if he ran a genetic analysis of the two Borg drones they found inside a glacier. Moninger told him that the analysis result was that the two Borg drones were from different species. (ENT: "Regeneration")