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EvC Forum ⇒ Science Forums ⇒ Biological Evolution ⇒

Genetics Review Article

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Author Topic:   Genetics Review Article
Wounded King
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Posts: 4149
From: Cincinnati, Ohio, USA
Joined: 04-09-2003

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Message 5 of 8 (283055)
02-01-2006 5:38 AM 		Reply to: Message 4 by JustinC
02-01-2006 12:03 AM

Vertebrate innovation
One interesting feature of vertebrate genomes is the presence of quite large stretches of highly conserved non-coding DNA. Not only are these regions non-coding but there is no evidence that they are transcribed as might be the case if they contained microRNA operons.
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Exactly how these stretches act to regulate gene expression is unclear but they provide a fertile substrate for the generation of distinct expression patterns by very small changes in the genome.
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TTFN,
​
WK
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