Across
- 6. chemicals that control cells function
- 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 grows and copies dna
- 4. adds more cells
- 5. chromosomes form and nucleus disappears
- 8. chromosomes line up in the middle
- 9. the gel in the cells split
- 11. organism grows very tiny versions on its body
- 14. dna comes from one organism