Across
- 2. Carries the genes in a linear order.
- 4. The basic building blocks of all living things.
- 6. A group of similar cells that perform a common function.
- 7. A group of tissues.
- 8. Central part of a cell.
- 9. The process of gamete formation.
Down
- 1. The basic physical unit of heredity.
- 3. An instrument used to see objects that are too small for the human eye.
- 5. Cell division.