Natural selection

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Across
  1. 2. engineering High tech process that alters the DNA of an organism
  2. 4. Something that carries traits
  3. 7. Tightly bond " packages" of DNA
  4. 9. Molecule that carries out the DNA
  5. 11. Mutations Has no effect on an organism's traits.
  6. 12. selection Process where humans decide what traits they want an organism to have
Down
  1. 1. breeding Process where humans breed 2 organisms with a desired trait together
  2. 3. Mutations Has a negative effect on an organism's overall health
  3. 4. therapy When doctors inject healthy DNA to replace a persons damaged DNA
  4. 5. Characters of an individual code for by proteins
  5. 6. mutations Has a positive effect on an organism's survival
  6. 8. An error in DNA
  7. 10. The building blocks of life