Across
- 1. Structures in the nucleus that carry genes.
- 5. Science of heredity.
- 6. Basic unit of biological information.
- 7. Desert animal with a hump.
- 9. Reproductive cell with half chromosome number
- 10. Feature that helps an organism survive.
- 12. Differences among members of the same species.
Down
- 2. Variation caused by surroundings.
- 3. Change in genetic material.
- 4. Passing of characteristics from parents to offspring.
- 8. Desert plant with spines.
- 11. Hereditary material in cells.