Originally Posted by Rusty Trichome
You are saying that a carbon-copy has the ability to eventually evolve and handle similar situations differently, which it is unable to do. It has a diary (or playbook) of responses it has to chose from, and no ammount of wishful thinking will alter that playbook. It's ability to handle those responses effectively fades as the plant's over-matured system declines. Different strains have different genetic responses imprinted on the 'playbook', but they will always have the same playbook until you add different genes, which may or may not alter the ability to adapt.