Cell Growth and Reproduction

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Across
  1. 3. the stages and events in the life of a cell
  2. 9. Chromosome pairs are pulled to opposite poles of the cell, and a new nucleus is formed
  3. 12. genetic material in the nucleus that is made of DNA
  4. 13. the first growth period of the cell cycle
  5. 14. paired barrel-shaped organelles located in the cytoplasm
  6. 15. chromosomes of the cells are copied
  7. 16. cells obtain nutrients and duplicate their chromatids
  8. 18. in _______, the chromosomes align in the middle
  9. 19. a protein structure that divides the genetic material in a cell
  10. 20. holds genetic information
  11. 21. creates two identical daughter cells
Down
  1. 1. DNA molecules are shortened, and the nuclear membrane disappears
  2. 2. the point on a chromosome to which the spindle attaches during cell division
  3. 4. uncoiled DNA in the nucleus of a non-dividing cell
  4. 5. at _________, the sister chromatids separate
  5. 6. a single cell divides twice to produce 4 haploid cells
  6. 7. the cells grow in preparation for cell division
  7. 8. genetically identical cells formed in mitosis
  8. 10. the second division in meiosis in which chromatids of each chromosome are segregated equally into daughter cells
  9. 11. a disease where normal cells change and grow uncontrollably
  10. 17. two chromosomes in a pair