junk DNA

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Related to Selfish DNA: junk DNA

junk DNA

n.
A DNA sequence that is part of a genome and is not known to code for proteins or to regulate the expression of genes. Junk DNA may constitute up to 95 percent of the human genome and is postulated to be involved in the evolution of new genes and possibly the repair of genes.

[From junk.]

junk DNA

n
(Genetics) DNA that consists of repeated sequences of nucleotide and has no apparent function

junk DNA


n.
segments of DNA that have no apparent genetic function.
[1990–95]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.junk DNA - stretches of DNA that do not code for genes; "most of the genome consists of junk DNA"
deoxyribonucleic acid, desoxyribonucleic acid, DNA - (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; "DNA is the king of molecules"
Translations
nichtkodierende Desoxyribonukleinsäurenichtkodierende DNS
skräp-DNA
References in periodicals archive ?
Are we risking a genetic epidemic if the selfish DNA should jump the species barrier to affect other insects?
The selfish DNA could blaze through populations, reports Didion, formerly of the University of North Carolina at Chapel Hill.
14) 'How selfish DNA saved the fruit fly', New Scientist, 31 March 2007, www.