Across
- 3. Therapy When doctors inject healthy DNA to replace a persons damaged DNA
- 7. Has a positive affect on an organisms health
- 9. A group of organisms that can breed and produce a offspring
- 10. A certain group of living things in a specific area
- 11. A change of genetic makeup over time
- 13. A mistake or change in a living things DNA
- 14. Any difference between the same species
- 15. Has a negative affect on an organisms health
Down
- 1. A molecule that carries out the instructions from DNA
- 2. Something that carries your traits
- 4. Has no affect on an organisms health
- 5. A structure that doesn't serve any person
- 6. Traits seen in a certain person but not in any of their ancestors
- 8. A trait developed naturally to help them survive longer
- 12. A particular characteristic of a living thing