World's First True Blue Rose, Thanks to Biotech
FiReaNGeL writes "Researchers from CSRIO achieved the holy grail of rose breeders since 1840 - breeding a blue rose. Using RNAi technology, they knocked down the red pigment gene and introduced a blue pigment producing one. The result is the world's first true blue rose - no word about whether it'll be commercially available or not. A factsheet describing the technique and a detailed summary are available."
http://www.physorg.com/news3581.html
The way of talking about this that is in current vogue among biologists seems to be "cladistic analysis". All life forms are classified in a tree structure representing evolutionary pedigree. This is probably a gross simplification, but every genetic innovation creates a new branch (or clades). Some would argue that traditional taxonomic categories like genera and species are meaningless.
If you replace the red gene with a blue gene, you have developed a new clades. It is still substantially a rose, whether or not it smell sweet. Of course your mom might not call this thing a rose if it smelled like a skunk, so YMMV.
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