[carolyn137]

Originally Posted by goodwin

It came up in something I was reading a while back on leaf morphology - a bit dense, but worth digging through if you are interested.
http://www.plantcell.org/content/23/10/3595.full
The research is fairly recent (2011)

Lee

Thanks Lee and I do get the main points but there were many genes I didn't know by name, and nowI do.

I'm surpirsed that Arabdopsis is still being used as a model system but since it's so easy to grow and study I shouldn't be surprised.

Carolyn