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