Across
- 4. dna comes from one organism
- 5. cells with nucles
- 6. chromosomes form and nucleus disappears
- 7. chemical that controls cell functions
- 10. cells grows and copies dna
- 12. regrows missing parts
Down
- 1. tightly wound dna
- 2. add more cells
- 3. organisms grows tiny vesions on its body
- 5. chromosomes pulled to o
- 8. cells become speciaized
- 9. fission organism without a nucleus spits
- 11. replace cells or cell parts