Cell Division and Mitosis

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Across
  1. 5. Organelle that contains the cell’s DNA and controls activities.
  2. 9. Undifferentiated cell that can become many different types of cells.
  3. 10. Cell with only one set of chromosomes (half the normal number).
  4. 11. Final phase of mitosis where new nuclei form and chromosomes uncoil.
  5. 12. Disease caused by uncontrolled cell division.
  6. 13. Division of the nucleus that produces two identical daughter cells.
  7. 18. Early stage of development in multicellular organisms.
  8. 19. Fertilized egg cell formed when sperm and egg unite.
  9. 20. Phase where the cell prepares for mitosis after DNA replication.
  10. 24. First phase of cell growth before DNA is copied.
  11. 25. Process of copying DNA before cell division.
  12. 28. Point on a chromosome where sister chromatids are joined.
  13. 29. Original cell that divides to form daughter cells.
  14. 30. Identical copy of a chromosome joined at the centromere.
  15. 31. Sequence of events a cell goes through to grow and divide.
  16. 33. Mass of abnormal cells; may stay localized or spread in the body.
  17. 34. Substance or factor that can cause cancer.
  18. 36. Molecule that stores genetic information in all living things.
  19. 37. To unite egg and sperm to form a zygote.
  20. 40. Process of keeping tissues and systems functioning properly by replacing old cells.
  21. 41. Phase of mitosis where sister chromatids separate and move to opposite poles.
  22. 44. Control point where the cell cycle is monitored and can stop if errors are found.
  23. 45. First phase of mitosis; chromosomes condense and the nuclear envelope breaks down.
  24. 46. Region of a cell that organizes spindle fibers during mitosis.
Down
  1. 1. Division of the cytoplasm after mitosis is complete.
  2. 2. Any body cell that is not a sperm or egg cell.
  3. 3. Organism made of many specialized cells.
  4. 4. One of the two new cells produced after cell division.
  5. 6. Microtubules that move chromosomes during cell division.
  6. 7. Process where certain genes are turned on or off to create different cell types.
  7. 8. Threadlike structure of DNA that carries genetic information.
  8. 14. Process by which unspecialized cells become specialized in structure and function.
  9. 15. Pinching of the cell membrane in animal cells during cytokinesis.
  10. 16. Molecule made of amino acids; carries out cell functions and builds structures.
  11. 17. Female reproductive cell or gamete.
  12. 21. Stage of the cell cycle that includes mitosis and cytokinesis.
  13. 22. Male reproductive cell or gamete.
  14. 23. Increase in size and number of cells in an organism.
  15. 24. All the genetic material of an organism.
  16. 26. Organism made of only one cell.
  17. 27. Part of the cell cycle when DNA is replicated.
  18. 32. Jellylike material inside the cell membrane that contains organelles.
  19. 35. Segment of DNA that codes for a specific protein or trait.
  20. 38. Period of the cell cycle between divisions when the cell grows and DNA is copied.
  21. 39. Cell with two sets of chromosomes, one from each parent.
  22. 42. Structure that forms in plant cells to divide the cytoplasm during cytokinesis.
  23. 43. Phase of mitosis where chromosomes line up in the middle of the cell.