Across
- 1. son and daughter
- 7. 2 genes that are different
- 8. difference
- 11. change to a gene
- 12. where genes are
Down
- 2. how things work
- 3. build protein molecules
- 4. Version f1f2 f2f2
- 5. instructions making protein molecules
- 6. 2 genes that are the same
- 9. Characteristic
- 10. shape
