Across
- 2. female gamete
- 6. can benefit us or cause infection
- 9. Different forms of a gene.
- 10. Largest artery in the body
- 12. An allele that dominates or masks the other allele.
- 13. the leg bone above the knee
- 14. Genetic makeup of an organism
- 15. tiny sac like structure in the lungs
- 17. Made by White Blood Cells
- 18. microscopic blood vessels
- 20. part of DNA that passes on family characteristics
Down
- 1. the tube through which an egg passes
- 2. An organism in the earliest stage of development
- 3. Having two different alleles
- 4. Having two identical alleles
- 5. carries oxygen IN red blood cells.
- 7. An oval, bony case that protects the brain.
- 8. shoulder
- 9. fight against bacteria not viruses
- 11. upper chambers of the heart
- 16. cells need water,oxygen,sugars to function.
- 19. carry blood AWAY from the heart