Across
- 5. a trait that is always expressed
- 6. unit of heredity
- 9. the genetic code
- 10. having 2 identical alleles for a trait
- 11. a characteristic inherited by a parent
Down
- 1. one of each gene for a trait
- 2. the physical appearance
- 3. study of heredity
- 4. many genes together express a trait
- 7. masked by a dominant
- 8. when both genes are expressed