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Biology 11 Mrs. Garrison MITOSIS & MEIOSIS LECTURE REVIEW MITOSIS 1. Define the following terms: somatic cell -diploid – haploid – chromosome – sister chromatids -- 2. What is the purpose of mitosis? 3. In what type of cells does mitosis occur? 4. Where in these cells does mitosis occur? 5. What is cytokinesis? 6. Use the “cells” below to draw the chromosomes during each stage of mitosis, then explain what is happening to those chromosomes: INTERPHASE PROPHASE METAPHASE ANAPHASE TELOPHASE 2 7. How many cells result from cytokinesis after mitosis is complete? 8. Are these cells haploid or diploid? MEIOSIS 9. Define the following terms: gametes – homologous chromosomes – tetrad – crossing over – 10. What is the purpose of meiosis? 11. In what type of cells does meiosis occur? 12. Where in these cells does meiosis occur? 13. What is the advantage of crossing over? 3 14. Use the “cells” below to draw the chromosomes during each stage of meiosis, then explain what is happening to those chromosomes: INTERPHASE PROPHASE I METAPHASE I ANAPHASE I 4 TELOPHASE I PROPHASE II METAPHASE II ANAPHASE II 5 TELOPHASE II 15. How many cells result from cytokinesis after meiosis is complete? 16. Are these cells haploid or diploid? 6