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EvC Forum ⇒ Science Forums ⇒ Biological Evolution ⇒

DNA similarities ARE NOT proof of evolution

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Author Topic:   DNA similarities ARE NOT proof of evolution
Wounded King
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From: Cincinnati, Ohio, USA
Joined: 04-09-2003

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Message 2 of 46 (36938)
04-14-2003 5:53 AM

The fact that there are extensive DNA similarities may not be a definitive proof of the truth of evolution, but it is certainly very suggestive evidence. If I can take a gene neccessary for eye development in humans and use it to rescue an eyeless mutant in drosophila why cant I use the windshield from my old VW bug in my new SUV?
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I would trust you as far as I can comfortably take your appendix out.
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[This message has been edited by Wounded King, 04-14-2003]
  
Wounded King
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Posts: 4149
From: Cincinnati, Ohio, USA
Joined: 04-09-2003

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Message 10 of 46 (37734)
04-23-2003 6:42 PM 		Reply to: Message 9 by crashfrog
04-23-2003 6:12 PM

Prions aren't really much of a model for any early biotic system. As you pointed out, they don't actually have any ability to self replicate.
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Wounded King
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Posts: 4149
From: Cincinnati, Ohio, USA
Joined: 04-09-2003

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Message 17 of 46 (37811)
04-24-2003 7:54 AM 		Reply to: Message 11 by crashfrog
04-23-2003 7:15 PM

There are a number of better examples of truly autocatalytic molecules. Ribozymes are a good example, as are peptides like those in the article Nosyned pointed out.
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Ribozymes
Just a moment...
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Self replicating peptide
American Chemical Society
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