If you can imagine identical twin sisters at rest, their breath drawing them subtly together and apart, who somehow latch onto ropes that pull them to opposite sides of the bed - you can imagine what happens to a chromosome in the dividing cell...
Our DNA contains the information needed to produce different proteins that are the building blocks and key components of cells. Instructions to synthesize such proteins are incorporated into DNA sequences defined as genes. This precious genetic material, however, never leaves the cell's stronghold nucleus...