::If the structure is neutral from the point of reproductive and general fitness, then there is no selective pressure for it to be eliminated and it could potentially persist until random mutations eliminate or change it. [[User:GodWarrior|GodWarrior]] 21:06, 23 May 2007 (EDT) | ::If the structure is neutral from the point of reproductive and general fitness, then there is no selective pressure for it to be eliminated and it could potentially persist until random mutations eliminate or change it. [[User:GodWarrior|GodWarrior]] 21:06, 23 May 2007 (EDT) |