Across
- 2. Alleles that are not expressed
- 4. The biologist that laid the foundation of genetics
- 5. a table showing the line of ancestors of a person or animal
- 8. The physical makeup of an organism
- 10. When two alleles in a gene are identical
Down
- 1. The genetic heritage passed down by our parents
- 3. When two alleles in a gene are different
- 6. The genetic makeup of an organism
- 7. DNA sequences that determine a trait
- 9. Alleles that are expressed
