familial DNA (uncountable)

English Wikipedia has an article on:
  1. DNA of a family relative
    • October 2015, Brendan I. Koerner, "Family Ties: Your Relatives' DNA Could Turn You Into a Suspect", Wired, pg. 36:
      Detectives had focused on Usry after running a familial DNA search, a technique that allows investigators to identify suspects who don't have DNA in a law enforcement database but whose close relatives have had their genetic profiles cataloged.