Penny 7th hour

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Across
  1. 2. DNA comes from one organism
  2. 4. tightly wound dna
  3. 5. cells with nuclei splint
  4. 9. chemical that controls cell functions
  5. 10. organism without a nucleus splits
  6. 11. nucleus reforms and DNA becomes thread like
  7. 12. chromosomes form and nucleus disappears
  8. 15. cell grows and copies DNA
Down
  1. 1. cells become specialized
  2. 3. add more cells
  3. 4. the gel in cells split
  4. 6. replace cells or cell parts
  5. 7. organism grow tiny versions on it's body
  6. 8. chromosomes line up in the middle
  7. 13. regrows missing parts
  8. 14. chromosomes pulled to opposite sides