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```On the timescale of 50-100 years... you might conceivably be able to alter the DNA of a chicken, say, to reconstruct something that looks more like a dinosaur,' David Stern, an evolutionary biologist at Princeton University told the BBC.
``The speculation may be justified because the current explosion of information about the genetic make-up of various creatures, plants and organisms has made it clear just how many modern genes are closely related or even identical to those of long extinct life forms.
``Moving from this understanding to actually designing a prototype ancient creature is, however, a huge leap.
```You can imagine that if we have some understanding of how the same genes are used in, say, a chicken and a lizard to generate the differences between those two species, then we can imagine trying to reconstruct something that looks more like a dinosaur.
```You would have to change the way that those genes are used during development to, say, make the bones larger, or longer, or shorter,' David Stern explained.
```What we're really seeking is a very basic understanding of how these genes operate during development in a very wide range of organisms,' he said.''
Full story:
http://news.bbc.co.uk/hi/english/sci/tech/newsid_1446000/1446706.stm
Reference by Slashdot.org.
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