You should be sure you understand the term chromatid, when it can be used, and when it can t. The easiest way to distinguish is to use terms replicated and unreplicated chromosome. As long as two chromatids held together by a centromere are present, you have a replicated chromosome. They are no longer considered chromatids, but unreplicated chromosomes . For the actual stages of mitosis, you clearly need to know what goes on when.
Mitosis is followed by cytokinesis.
What is the difference between plants and animals in the way they carry out cytokinesis. Here, we discuss meiosis. The importance of meiosis for sexual reproduction was stressed. Certainly be familiar with the terms haploid, diploid, homologous chromosomes, tetrad, bivalent. You need to be able to understand the differences between meiosis and mitosis.