Match the description of the event with the phase of mitosis it is in. Each phase may be used more than once. a. Prophase b. Metaphase c. Anaphase d. Telophase 9. The chromosomes move until they form two groups near the poles of the spindle. 10. The chromosomes become visible. 11. A nuclear envelope re-forms around each cluster of chromosomes 12. The centrioles take up positions on opposite sides of the cell. 13. The chromosomes line up across the center of the cell. 14. The nucleolus becomes visible in each daughter nucleus.