MOLECULAR PARASITES. “But most of the 90 percent consists of DNA sequences called transposons. Occupying fully half the human genome, transposons are stretches of DNA that can hop around in host DNA. They are somewhat related to viruses, and Sean Eddy…calls them “molecular parasites.”
https://www.geneticliteracyproject.org/2014/08/05/how-much-of-human-dna-is-doing-something/