http://www.plosone.org/article/info:doi/10.1371/journal.pone.0005708 > > > > Apparently a codon scheme with a greater amount of codons than the three we presently have results in a genome that doesn't need ribosomes in order to transcript DNA--a less complex system than what we have now. > > Interesting article, but odd ball findings not in our line of descent.-We don't know that!