Natural selection
Across
- 2. Molecule that carries out the DNA
- 4. in an unborn human in early stages.
- 8. breeding Process where humans breed 2 things with a desired trait together
- 11. mutations Has a negative effect on a organism's overall health
- 12. tightly bond of DNA
- 13. An error in DNA
- 14. engineering High tech process that alters the DNA of an organisms.
- 15. structure that are left behind.
Down
- 1. therapy When doctors inject healthy DNA to replace a persons damaged DNA.
- 3. Selection Process where humans decide what traits they want an organism to have.
- 5. A small part of DNA that codes for a special trait
- 6. mutations Has an effect on an organisms traits.
- 7. Mutation Has a positive effect on an organism's survival
- 9. an organ, system, or body part that shared a common part.
- 10. characteristics of an person's code.