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