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Name:_____________________________________ Mitosis Worksheet & Diagram Identification Interphase Prophase Metaphase Anaphase Telophase Interphase 1. Chromosomes move to the middle of the cell during what phase? ___________________ 2. What are sister chromatids? ________________________________________________ _______________________________________________________________________ 3. What holds the chromatids together? ________________________________________ 4. When do the sister chromatids separate? _____________________________________ 5. During which phase do chromosomes first become visible? _______________________ 6. During which phase does the cleavage furrow start forming? ______________________ The Animal Cell Cycle – Phases are out of order for questions 15 - 21 7. Which cell is in metaphase? ____________________________________ 8. Cells A and F show an early and late stage of the same phase of mitosis. What phase is it? ________________________________________________________________________ 9. In cell A, what is the structure labeled X? _____________________________________ 10. In cell F, what is the structure labeled Y? _____________________________________ 11. Which cell is not in a phase of mitosis? _______________________________________ 12. A new membrane is forming in B. What is this phase called? ______________________ 13. What is the end product of mitosis? __________________________________________ 14. If the original cell has 46 chromosomes, how can each new daughter cell also have 46 chromosomes? __________________________________________________________________________ __________________________________________________________________________ 15. When the rate of the cell cycle gets out of control, this happens: _____________________ 16. List 6 internal and external factors which can affect or control the rate of cell division: a. Density b. Injury or sickness