Across
- 1. An allele whose trait always shows up in an organism
- 3. An organism’s physical appearance
- 7. With the exception of eggs and sperm, humans have 46 of these structures in their cells (plural)
- 10. Organelle that produces proteins in the cell
- 11. Organelle that breaks down glucose in order to provide energy for the cell
- 12. The liquid starting material of photosynthesis
- 13. The gas that is produced in photosynthesis
Down
- 1. Organ system that breaks down food into smaller molecules
- 2. Organelle that controls all the activities of the cell
- 4. Having two different alleles for a trait
- 5. Having two identical alleles for a trait
- 6. Structure that forms the outside barrier of an animal cell (2 words)
- 8. Organelle where photosynthesis occurs in the cell
- 9. Organ system responsible for providing the body with oxygen