Across
- 3. A trait that will cover up a recessive trait and express
- 5. The system which brings oxygen into the body
- 8. The system which delivers molecules to every cell in the body and picks up waste from the cells
- 11. The body system which breaks food down into molecules
- 12. Molecules which break down into amino acids and help cells grow and repair
- 14. Can be broken down into glucose which helps cells release energy
- 15. Reproduction with two parents
Down
- 1. The organelle in which energy is released
- 2. Molecules which the cells combine with oxygen to release energy they need to function
- 4. Molecules which help cells grow and repair
- 6. A trait that only express if it is by itself
- 7. Characteristics passed on by parents to children
- 9. Reproduction with only one parent
- 10. Organelle in a cell which holds the DNA
- 13. Tiny organ-like structures in a cell which perform specific function
