Across
- 2. studied in Chemistry
- 6. an agent that causes genetic mutations
- 9. Sickle-cell anemia
- 10. damage cells and causes cancer
- 13. substitution in genetic mutations
- 14. type of harmful mutagen
- 15. gives off sunrays
- 16. mistakes
Down
- 1. excess exposure of x-rays
- 3. loss of genetic material
- 4. change in organism's DNA
- 5. structure
- 7. haploid germ cell
- 8. hereditary
- 11. addition of nucleotide base pairs
- 12. genes