Across
- 1. happens when sperm and egg cells combine
- 4. passing of characteristics
- 8. genetic makeup of an organism
- 10. only shows when there's two of them
Down
- 2. traits that are passed down from your parents
- 3. determine a person's traits
- 5. will show if there's one of them
- 6. appearance of an organism
- 7. a gene that gives you a specific trait
- 9. diagram used by genetics