"I know there is a mechanism called "back mutations" which can restore lost information such as your hypothetical gene 451. What I don't know is the rate at which such mutations occur. Any idea?"
Back mutations can't restore a gene that is completely missing in a species.
159 posted on 02/08/2005 1:59:53 PM PST by Southack
(Media Bias means that Castro won't be punished for Cuban war crimes against Black Angolans in Africa)
