Definition of genetic fingerprint in US English:

genetic fingerprint

noun

  • A set of characteristics that are unique to the DNA of an individual organism, obtained by analyzing small samples of biological material such as body tissues or fluids and used especially in the context of forensic investigation.

    ‘the genetic fingerprint now gives police the potential to find a match on items belonging to suspects’
    ‘they can store the animal's genetic fingerprint and from that fingerprint identify related individuals’