And what things could go wrong in an experiment to test the Ara marker? What controls would you run to test for errors?--[[User:Argon|Argon]] 10:00, 5 July 2008 (EDT) | And what things could go wrong in an experiment to test the Ara marker? What controls would you run to test for errors?--[[User:Argon|Argon]] 10:00, 5 July 2008 (EDT) |