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Cell Division: Interphase, Mitosis, Meiosis

Learn about the stages of cell division, including interphase, mitosis, and meiosis. Explore the processes, phases, and importance of cell division.

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Cell Division: Interphase, Mitosis, Meiosis

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  1. Cell Division!

  2. Interphase Mitosis 1 Mitosis 2 Meiosis 1 Meiosis 2 10 10 10 10 10 20 20 20 20 20 30 30 30 30 30 40 40 40 40 40 50 50 50 50 50

  3. Topic 1 – 10 Points QUESTION: • What are the three stages within Interphase? ANSWER: • Growth 1 (G1), Synthesis (S), Growth 2, (G2)

  4. Topic 1 – 20 Points QUESTION: • What major event happens in the S phase? ANSWER: • DNA replication

  5. Topic 1 – 30 Points QUESTION: • At the beginning of Interphase is a cell haploid or diploid? ANSWER: • Diploid

  6. Topic 1 – 40 Points QUESTION: • What allows cancer cells to divide so quickly? ANSWER: • Checkpoints are removed or ignored

  7. Topic 1 – 50 Points QUESTION: • Out of 720 minutes, how many minutes should a normal chicken stomach cell spend in interphase? ANSWER: • 500-550 min

  8. Topic 2 – 10 Points QUESTION: • What are the four phases of mitosis in order? ANSWER: • Prophase, Metaphase, Anaphase, Telophase

  9. Topic 2 – 20 Points QUESTION: • In which phase do chromosomes line up along the cell equator? ANSWER: • Metaphase

  10. Topic 2 – 30 Points QUESTION: • In which phase do the chromosomes condense? ANSWER: • Prophase

  11. Topic 2 – 40 Points QUESTION: • In which phase do the sister chromatids separate? ANSWER: • Anaphase

  12. Topic 2 – 50 Points QUESTION: • List three reasons for cell division. ANSWER: • Reproduction, Growth and development, tissue renewal Daily Double

  13. Topic 3 – 10 Points QUESTION: • In which phase does the nucleus reform around the DNA? ANSWER: • Telophase

  14. Topic 3 – 20 Points QUESTION: • In which phase do the centrioles moves to the poles? ANSWER: • Prophase

  15. Topic 3 – 30 Points QUESTION: • In which phase do the spindle fibers start to pull on the chromosomes? ANSWER: • Metaphase

  16. Topic 3 – 40 Points QUESTION: • In which phase do the centromeres split? ANSWER: • Anaphase

  17. Topic 3 – 50 Points QUESTION: • After mitosis is complete, are the two daughter cells haploid or diploid? ANSWER: • Diploid

  18. Topic 4 – 10 Points QUESTION: • What is it called when homologous chromosomes pair up? ANSWER: • Synapsis

  19. Topic 4 – 20 Points QUESTION: • In which phase does synapsis occur? ANSWER: • Prophase I

  20. Topic 4 – 30 Points QUESTION: • In which phase does independent assortment occur? ANSWER: • Metaphase I

  21. Topic 4 – 40 Points QUESTION: • In which phase does crossing-over occur? ANSWER: • Prophase I

  22. Topic 4 – 50 Points QUESTION: • What are the three factors that ensure genetic variability? ANSWER: • Crossing-over, independent assortment, random fertilization

  23. Topic 5 – 10 Points QUESTION: • In which phase do the homologous chromosomes separate? ANSWER: • Anaphase I

  24. Topic 5 – 20 Points QUESTION: • In which phase of meiosis do the sister chromatids separate? ANSWER: • Anaphase II

  25. Topic 5 – 30 Points QUESTION: • At the end of meiosis, how many daughter cells will there be? ANSWER: • 4

  26. Topic 5 – 40 Points QUESTION: • At the end of meiosis I, are the daughter cells haploid or diploid? ANSWER: • Haploid

  27. Topic 5 – 50 Points QUESTION: • What is a segment of DNA coding for a physical trait? ANSWER: • Gene

  28. Final Jeopardy Question: Draw a concept map for the entire cell cycle of a somatic cell. Answer:

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