Across
- 2. has a double helix shape
- 5. structure of dna
- 8. unit of dna
- 9. study of heredity
- 10. base of dna paired with adenine
Down
- 1. genes build these
- 3. base of dna paired with cytosine
- 4. genes are stored in
- 6. base of dna paired with thymine
- 7. base of dna paired with guanine