[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]

molecular clock hypothesis sans verboten material...

--- On Wed, 7/23/08, David Marjanovic <david.marjanovic@gmx.at> wrote:

> Even the
> ornithologists now 
> understand 


> that the molecular clock hypothesis holds only
> as a very, very 
> crude approximation, that each clade, each gene, and lastly
> each base pair 
> has its own speed of evolution.

Variance implies that selection can occur. Is there now some consensus that the 
speed of evolution is altered by selection? Certainly there are impacts on