Across
- 5. trait: dark hair over blonde
- 8. traits: passed down
- 9. trait: hidden gene
- 10. genetic makeup
Down
- 1. two identical blue eye alleles
- 2. instructions that determine traits
- 3. Square: method to predict crossings
- 4. appearance
- 6. a gene that gives a specific trait
- 7. The passing of characteristics down generations