Across
- 4. Different forms of a gene for a single trait
- 6. The trait that is expressed
- 9. the trait that is masked
- 10. Have two identical alleles
- 11. Passing of traits through generations
Down
- 1. The study of heredity
- 2. A characteristic of an organism
- 3. The genetic makeup of an organism
- 5. a unit of heredity which is transferred though generations
- 7. An organisms Physical appearance
- 8. Two different alleles