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Scientists Undo Evolution 

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  #1  
Old 08-19-2011, 11:06 AM
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Scientists Undo Evolution

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Scientists have undone the progress made by evolution by altering chicken DNA to create embryos with alligator-like snouts instead of beaks.
Experts changed the DNA of chicken embryos in the early stage of their development, enabling them to undo evolutionary progress and give the creatures snouts which are thought to have been lost in the cretaceous period millions of years ago.
The scientific revelation of 'rewinding' evolution could pave the way for scientists altering DNA in the other direction and use the same process to create species better able to adapt to Earth's climate.

It has also been claimed that the breakthrough could eventually help eliminate birth defects in human children.
Arkhat Abzhanov, an evolutionary biologist at Harvard University, developed the chickens with snouts by cutting a square hole in the shell of a chicken egg and dropping in a small gelatinous protein bead before watching the embryo develop.

The changes allowed separate molecules on the side of the face free to grow into snouts within 14 days.
Although ethical rules prevent the eggs from bring hatched, Dr Abzhanov said he hopes to complete the work one day by turning chickens into Maniraptora.
Dr Abzhanov made the changes by analysing the 'signalling molecules' which control the anatomical changes in birds and other animals.
Adding protein beads to the egg which stifle the development of certain molecules also prevents the birds from growing certain features.

Maniraptora are small dinosaurs which it is thought spawned thousands of species of birds which exist today.
Chickens and other birds are thought to have descended from dinosaurs through a series of genetic changes.
By altering the DNA of chickens to resemble alligator genes before the beak developed, Dr Abzhanov was able to change the evolutionary path of chickens so that they grew snouts instead.
Dr Abzhanov told the New Scientist: 'It looks exactly like a snout looks in an alligator [at this stage].'
Jack Horner, a leading paleontologist based at the University of Montana, is conducting similar work in an attempt to make a 'chickenosaurus' with a tail and hands similar to those of a dinosaur.
Craig Albertson, a developmental biologist at the University of Massachusetts in Amherst, said: 'Abzhanov's 'snouted' chicken provides a striking demonstration of just how easy it can be to provoke major evolutionary changes.'

http://www.dailymail.co.uk/sciencete...ora-snout.html

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  #2  
Old 08-19-2011, 12:21 PM
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Re: Scientists Undo Evolution

dont pet the cocks

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Old 08-19-2011, 01:17 PM
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Re: Scientists Undo Evolution

how exactly did they go from wanting to make chickodiles to it's going to cure disabilities in children

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Old 08-19-2011, 09:21 PM
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Re: Scientists Undo Evolution

They could possibly undo evolution and make dinosaurs then?

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Old 08-19-2011, 09:26 PM
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Re: Scientists Undo Evolution

pics or it didn't happen

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Old 08-19-2011, 10:42 PM
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Re: Scientists Undo Evolution

cool and interesting post.

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Old 08-20-2011, 01:17 AM
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Re: Scientists Undo Evolution

Fuck this. I want an alligator face.

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Old 08-20-2011, 01:20 AM
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Re: Scientists Undo Evolution

The Lickalotapuss is by far way more fascinating. Chicks with snouts ain't nothing new.

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Old 08-20-2011, 03:51 AM
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Re: Scientists Undo Evolution

They should let them hatch and see what happens.

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Old 08-20-2011, 03:54 AM
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Re: Scientists Undo Evolution

Excellent post.

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