Is it possible for a mutation to add/create genetic information?
By 'adding/creating' genetic information I do not mean 'replicating' information. I mean ADDING new information that previously NEVER EXISTED.
If so, what are some examples of this occuring inherently?
Please only state facts and examples, not personal opinions, as I don't want to start a heated debate.
Please state your answers from a neutral point of viewpoint; that is, neither evolutionist or creationist. Just purely scientific.
Thanks.
Answers:
Absolutely.
The Lenski E. Coli experiment, where on earth the bacteria being studied developed novel enzymes to metabolize citrate is the classic example of this occurring beneath controlled, monitored conditions.
Working genes are generated by point mutations of genetic noise, of duplicates of existing genes or frame shift mutations on existing working genes.
New genes aren't just formed from nought, there needs to be a base for mutations to work on.
Purple Moogle, of course, and Az R are correct. If you'd similar to more detail, here's some relevant research into gene duplication and neofunctioalization (just one of the mechanisms already mentioned). There are hundreds of more papers if you're interested:
Rapid Subfunctionalization Accompanied by Prolonged and Substantial Neofunctionalization in Duplicate Gene Evolution
http://www.inheritance.org/cgi/content/full…
Expression Pattern Shifts Following Duplication Indicative of Subfunctionalization and Neofunctionalization in Regulatory Genes of Arabidopsis
http://mbe.oxfordjournals.org/cgi/conten…
Gene duplication and evolution
http://books.google.com/books?hl=en&lr=&…
Gene Duplication: The Genomic Trade in Spare Parts
http://www.plosbiology.org/article/info:…
Convergent neofunctionalization by positive Darwinian selection after ancient permanent duplications of the xanthine dehydrogenase gene
http://www.pnas.org/content/100/23/13413…
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If so, what are some examples of this occuring inherently?
Please only state facts and examples, not personal opinions, as I don't want to start a heated debate.
Please state your answers from a neutral point of viewpoint; that is, neither evolutionist or creationist. Just purely scientific.
Thanks.
Answers:
Absolutely.
The Lenski E. Coli experiment, where on earth the bacteria being studied developed novel enzymes to metabolize citrate is the classic example of this occurring beneath controlled, monitored conditions.
Working genes are generated by point mutations of genetic noise, of duplicates of existing genes or frame shift mutations on existing working genes.
New genes aren't just formed from nought, there needs to be a base for mutations to work on.
Purple Moogle, of course, and Az R are correct. If you'd similar to more detail, here's some relevant research into gene duplication and neofunctioalization (just one of the mechanisms already mentioned). There are hundreds of more papers if you're interested:
Rapid Subfunctionalization Accompanied by Prolonged and Substantial Neofunctionalization in Duplicate Gene Evolution
http://www.inheritance.org/cgi/content/full…
Expression Pattern Shifts Following Duplication Indicative of Subfunctionalization and Neofunctionalization in Regulatory Genes of Arabidopsis
http://mbe.oxfordjournals.org/cgi/conten…
Gene duplication and evolution
http://books.google.com/books?hl=en&lr=&…
Gene Duplication: The Genomic Trade in Spare Parts
http://www.plosbiology.org/article/info:…
Convergent neofunctionalization by positive Darwinian selection after ancient permanent duplications of the xanthine dehydrogenase gene
http://www.pnas.org/content/100/23/13413…
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