Study finds value in 'junk' DNA
Friday, October 17, 2008 - 09:00
in Biology & Nature
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. Now, a 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...
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