Posted by GSerrano on September 25, 2009 ·
A new research asserts that ‘once a gene has morphed into its current state, the road back gets blocked’ which means that evolution marches on irreversibly with nary a step back.
Evolution entails bridge-burning, so to speak. The study, featured in the September 24 issue of the journal Nature, reveals ‘that over long time scales certain genetic [...]