Across
- 3. The study of how traits are passed from parents to offspring
- 4. An allele expressed even if only one copy is present
- 5. A version of a gene
- 6. An allele expressed only when two copies are present
- 7. A trait that can be passed genetically from parent to offspring
Down
- 1. Features that help identify or describe what a gene is
- 2. A trait caused by environment or experience, not genes