Across
- 3. the process of fertilizing an egg, female animal, or plant,
- 7. the passing on of physical or mental characteristics genetically from one generation to another.
- 8. the properties or features of an organism, characteristics,
Down
- 1. the offspring of two plants or animals of different species or varieties
- 2. the offspring of two individuals that differ in respect of a single gene
- 4. a cell formed by the union of two gametes.
- 5. an organism's reproductive cells.
- 6. a distinguishing quality or characteristic, typically one belonging to a person.