junk dna

English Thesaurus

1. stretches of DNA that do not code for genes (noun.substance)

hypernym	:	deoxyribonucleic acid, desoxyribonucleic acid, dna,
definition	:	(biochemistry) a long linear polymer found in the nucleus of a cell and formed from nucleotides and shaped like a double helix; associated with the transmission of genetic information (noun.substance)