How exactly do you explain mitosis?

preceded by interphase - DNA is being replicated and the two identical copies remain joined at centromere.-prophase - visible chromosomes and centrioles move to opposite poles spindle fibres develop, nuclear envelope breaks down.-Metaphase - microtubules join to centromere and pull chromosomes across equator.-Anaphase - spindle pull chromatids to opposite then cytokinesisConfusion of what each chromosome is made up of should be clearly answered. Draw out each stage