Across
- 4. building blocks of proteins
- 7. two strands twisted together
- 8. what something does
- 9. representing evolutionary relationships
- 10. chemical modifications to DNA
- 11. blueprint of the cell
Down
- 1. what something is made of
- 2. the study of ancient human past
- 3. disorder mutations in one or a few genes
- 5. change in nucleotide
- 6. uncontrolled cell division
- 9. tumor suppressor protein