Hvirveldyr: Forskelle mellem versioner

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m →‎Genetiske spor: fjerner medkopieret hærværk
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== Eksterne henvisninger ==
{{Commonskat|Vertebrata}}
* [http://www.sciencedaily.com/releases/2004/05/040507080649.htm 2004-05-07, Sciencedaily: Surprising 'Ultra-conserved' Regions Discovered In Human Genome] Citat: "..."As far as we can tell, most of these ultra-conserved elements showed up during the evolution of vertebrates, perhaps during the period when land animals emerged, or a bit earlier. But their early evolutionary history is still mysterious," Haussler said..."
* [http://www.sciencedaily.com/releases/2004/05/040506071505.htm 2004-05-06, Sciencedaily: Scripps Scientists Look Deep Inside Sharks And Their High-performance Swimming System] Citat: "..."Sharks and bony fishes have been separated for over 400 million years and yet we see one group of sharks and one group of bony fish that share a remarkable host of similarities in body form and function," said Donley..."
* [http://news.bbc.co.uk/1/hi/sci/tech/3014747.stm BBCNews, 9 May, 2003, Animals 'are moral beings'] Citat: "..."But the weight of scientific opinion is that it's certainly right to give the benefit of the doubt to all vertebrates."..."