CELL DIVISION TEST REVIEW 1. What are the 2 types of chromosomes? a. ______________________ b. ______________________ c. Draw a chromosome and label it. 2. What are the two types of Cellular Reproduction? a. _______________________________ i. Example______________________ b. _______________________________ i. Example______________________ 3. Why do cells need to divide? ____________________________________________________________________________________ ____________________________________________________________________________________ 4. What are the stages of the cell cycle and what occurs in each stage? a. _________________________________________________ b. _________________________________________________ c. _________________________________________________ 5. What Controls cell division? (look in the reading from the homework packet) _____________________________________________________________________________________ _____________________________________________________________________________________ 6. What does the term haploid mean? ____________________________________________ a. Where would you find haploid cells? ______________________________ 7. What does the tern diploid mean? ____________________________________________ a. Where would you find diploid cells? 8. Where does Meiosis occur? ________________________________ 9. Where does Mitosis occur? ________________________________ 10. In one sentence, tell me the difference between meiosis and mitosis. _____________________________________________________________________________________ 11. What are the different forms of DNA and when does each occur during the cell cycle? _____________________________________________________________________________________ _____________________________________________________________________________________ 12. What is the order of the steps of Mitosis? _____________________________________________________________________________________ _____________________________________________________________________________________ 13. Compare and Contrast Mitosis and Meiosis. Mitosis Meiosis a. Which one results in genetic diversity? _________________________________________________________ b. Which one results in identical cells _________________________________________________________ c. Which one results in four non-identical copies? _________________________________________________________ Draw and label Mitosis Meiosis 14. When do chromosomes separate in meiosis? _____________________________________________________________________________________ _____________________________________________________________________________________ 15. When do chromatids separate during meiosis? ____________________________________________________________________________ 16. What is a tetrad? _____________________________________________ 17. What is crossing over and when does it occur? _____________________________________________________________________________________ _____________________________________________________________________________________ a. What is the importance of crossing over? ____________________________________________________________________________ 18. What is fertilization? _____________________________________________________________________________________ _____________________________________________________________________________________ a. Draw what happens in normal Human fertilization using 46n as the chromosome number. 19. What is a Karyotype? _____________________________________________________________________________________ _____________________________________________________________________________________ a. How is it used? ____________________________________________________________________________ ____________________________________________________________________________ 20. What is Nondisjunction _____________________________________________________________________________________ _____________________________________________________________________________________ a. What is Trisomy? _______________________________________________________________ b. What is Monosomy? _______________________________________________________________ 21. What is Cancer? _____________________________________________________________________________________ _____________________________________________________________________________________ a. Why doesn't everyone get Cancer? ____________________________________________________________________________ ____________________________________________________________________________