If it didn't fulfil a function, then random mutations and deletions during Meiosis would quite quickly get rid of it. Even if it only serves to support the stru

If it didn't fulfil a function, then random mutations and deletions during Meiosis would quite quickly get rid of it. Even if it only serves to support the structure of chromosomes or some similarly arcane purpose that we will only discover in a decade or so, it still has a function.