Biologists

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Across
  1. 4. rod shaped structure in cells that is made up of genes
  2. 6. branch of biology that deals with the study of heredity
  3. 9. american molecular biologist noble prize winner
  4. 10. chemicals used to kill unwanted organisms, such as insects
  5. 12. transfer of traits
Down
  1. 1. determined the structure of DNA
  2. 2. mexican american
  3. 3. proposed the theory of natural selection
  4. 5. weaker pair of traits
  5. 7. living things
  6. 8. disease causing microbes
  7. 10. chemicals in the body that are used in almost everything cells do
  8. 11. stronger pair of traits