PoL #2: Very Special

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Categories : Front-loading

Editor : MikeGene

published: mardi 19 décembre 2006 4:10:14

In my previous blog, I hint that Marc Kirschner and John Gerhart are on the right track in focusing on deep conservation. Just what might it mean? Well, among other things, consider this:

Central to our argument is that these processes, many of which have been conserved for hundreds of millions or even billions of years, have very special characteristics that facilitate evolutionary change. They have been conserved, we suggest, not merely because change in them would be lethal (although that might be a factor), but because they have repeatedly facilitated changes of certain kinds around them. p.35

Hmmm. Designed to evolve?

Evolution,