quote:
Originally posted by peter borger:
All the authors show is that suppression of the abdominal limbs in insects depends on functional changes in a protein called Ultrabithorax (Ubx), which is encode by a Hox gene.
Oh, is that all ... I thought they were showing that a simple change
in the genetic make-up had a profound effect on morphology.
Oh, wait a minute ... that's what you said they were showing too
Isn't all of evolution 'only' functional changes in proteins ?