Question: what is the difference between the chromosomes in cells at the beginning and the end of mitosis?
Answer: A diploid cell starts with 2N chromosomes and 2X DNA content. ... Each chromosome now consists of a joined pair of identical sister chromatids. During mitosis the sister chromatids separate and go to opposite ends of the dividing cell. Mitosis ends with 2 identical cells, each with 2N chromosomes and 2X DNA content.