Anaphase II is essentially the same as mitotic anaphase except that in anaphase II and in mitotic anaphase . crossing over occurs; crossing over does not occur the cells are diploid; the cells are haploid chromosomes line up double file in the middle of the cell; chromosomes line up single file in the middle of the cell the cells are haploid and sister chromatids separate; the cells have the same number of chromosomes as the original cell and sister chromatids separate