“In molecular biology, junk DNA is a collective label for the portions of the DNA sequence of a chromosome or a genome for which no function has yet been identified,” we read in Wikipedia. “About 95% of the human genome has been designated as junk, including most sequences within introns and intergenetic DNA [noncoding DNA].” Many recent studies have indicated, however, that so-called junk DNA has a variety of possibly important functions.
Posted on: Fri, 23 May 2014 21:05:01 +0000
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