3. All the events that occur in prophase of mitosis also occur in prophase I of meiosis. However, two additional events occur in prophase I of meiosis. A. What are these events? B. What is the importance of these events? C. Sketch a cell with a diploid number of 4 (i.e, 4 total chromosomes prior to replication) in Prophase I of meiosis: D. In what other meiotic stage do we find tetrads?.