Across
- 3. received Nobel peace prize
- 5. addition of base pairs
- 6. carrier of genes
- 8. building blocks of dna
- 10. photographed dna
Down
- 1. base pair is replaced by another
- 2. base pair is left out
- 4. discovered 2 rules that led to discovery of double helix
- 7. basic unit heredity
- 9. messenger of dna
