Across
- 4. the letters for a trait are the same
- 5. one trait being investigated
- 7. physical expressions of genes
- 9. the trait that can be hidden
Down
- 1. the letters for a trait are different
- 2. two traits being investigated
- 3. the allele that always expresses when present
- 5. who discovered the basis of genetics?
- 6. the genetic information for a trait
- 8. a single trait represented by a single letter