Across
- 5. Can be masked by a dominant gene
- 7. One trait is being investigated
- 8. Physical expression of genes
- 9. The genetic information for a trait
Down
- 1. Two traits are being investigated
- 2. A single trait represented by a single letter
- 3. The letters for a trait are different
- 4. One gene can mask another gene
- 6. The letters for a trait are the same