Across
- 2. when both genes are expressed
- 4. one of each gene for trait
- 8. unit of inherited material carried on chromosome
- 9. the physical appearance of a trait
Down
- 1. two of same gene for trait
- 3. many genes together express a trait
- 5. the genetic code for a trait
- 6. masked by dominant
- 7. trait that's always expressed when present
- 8. Study of heredity