Across
- 4. Trait expressed in heterozygous individuals
- 7. Descendants of living organisms
- 8. Trait expressed only in homozygotes
- 10. Genetic material carrying information
- 11. Two identical alleles for a gene
- 12. Trait controlled by multiple genes
- 14. Changes in genetic material
- 15. Observable traits of an organism
Down
- 1. Structure containing genes in cells
- 2. Different versions of a gene
- 3. Both alleles are fully expressed together
- 5. Two different alleles for a gene
- 6. Passing traits from parents to offspring
- 9. Offspring of two different species
- 13. Genetic makeup of an organism