In evolution, it is not uncommon that something that once looked simple may, millions of years later, turn into something extremely intricate. Even something that looks as simple as a ball when it first comes into being may later, by evolution, takes the form of rows of tubes so configured that they look like some work of art of an artist. If one is to glance at the Mother Centriole and the Daughter Centriole, one may instantly come to think that there must be a reason for their being perpendicular to each other.