Recent research suggests, however, that this is an oversimplification and that chromosomes may actually occupy specific territories within the nucleus ... part of the cell cycle.

it must grow and make copies of all the organelles such as mitochondria and ribosomes. The cell must also replicate the chromosomes in the nucleus, then it can divide by mitosis.

This solution is called meiosis. Mitosis describes the process by which the nucleus of a cell divides to create two new nuclei, each containing an identical copy of DNA. (Cytokinesis describes the ...