Across
- 4. When both genes are expressed
- 8. Many genes together express a trait
- 10. One of each gene for a trait
- 11. A characteristic inherited from a parent
- 12. Unit of inherited material carried on the chromosome
Down
- 1. The physical appearance for a trait
- 2. Two of the same genes for a trait
- 3. Study of heredity
- 5. Different form of a gene
- 6. The genetic code combination for a trait
- 7. Masked by dominant
- 9. A trait always expressed when present