Across
- 3. recieved nobel peace prize
- 5. addition of base pairs
- 6. carrier of genetic materials
- 8. building blocks of dna and rna
- 10. photographed structure of dna
Down
- 1. atom is replaced by another
- 2. chromosome is left out
- 4. discovered 2 rules that led to discovery of double helix
- 7. basic unit of heredity
- 9. messenger of dna