Maybe We Should Stop Calling It Junk DNA?

Thursday, October 16, 2008 - 21:35 in Biology & Nature

Nothing drives biologists crazier than people who think the colloquial meaning of 'junk' means junk DNA is valueless. For about 15 years, scientists have known that certain junk DNA, repetitive DNA segments previously thought to have no function, could evolve into exons, which are the building blocks for protein-coding genes in higher organisms like animals and plants. A new University of Iowa study has found evidence that a significant number of exons created from junk DNA seem to play a role in gene regulation. The findings increase our understanding of how humans differ from other animals, including non-human primates. Read More...

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