Chromosomes and Cell Division

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Across
  1. 4. the cells part that directs cell division and produces spindle fibers
  2. 5. what does the cell do during the G phases of interphase
  3. 11. the number of chromosomes in normal human cells
  4. 12. cells in the G__ phase do not grow or divide
  5. 13. the type of cell division used to make new body cells
  6. 15. the phase when the nucleus breaks down and the centrosomes move to the poles and make spindle fibers
  7. 17. the type of cell division used to make cells for reproduction
  8. 19. the phase when the copied chromosomes split apart
Down
  1. 1. the phase in which cells spend most of their time doing normal activity
  2. 2. the phase when chromosomes line up in the middle of the cell
  3. 3. the phase when a new nucleus forms and the cell membrane begins to pinch in
  4. 6. the name for regular body cells
  5. 7. the phase when a parent cell completely splits into two daughter cells
  6. 8. another way of saying a cell has two sets of chromosome
  7. 9. a tight coil of DNA
  8. 10. the special name for sperm and egg cells
  9. 14. what must the chromosomes do before all types of cell division
  10. 16. the fibers that guide chromosomes to the poles
  11. 18. a cell that has half the regular number of chromosomes, or one set
  12. 20. the specific phase when DNA is copied before cell division