Chromosomes and Cell Division 3

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