According to the textbook:

• In Mitosis, the key event of Anaphase is that the centromeres split and chromatids separate .
• In Meiosis I (Anaphase I), homologous chromosomes separate, but sister chromatids remain associated at their centromeres .
• In Meiosis II, specifically Anaphase II, the simultaneous splitting of the centromere of each chromosome occurs .