Across
- 3. moving from together to spread out
- 4. two identical copies
- 7. body keeps internal conditions
- 8. group of atoms
- 10. half the number of chromosomes
Down
- 1. when your genes get messed up
- 2. humans choose what genes to keep
- 5. classifying organisms
- 6. no nucleus
- 9. instructions for making a single protein