Across
- 2. Two identical alleles for one gene
- 7. A variant form of a Gene.
- 11. Control center of cells where DNA and genetic materials are stored.
- 15. A genetic combination that has two different alleles of a specific gene.
- 16. a type of cell that does not contain a nucleus.
- 17. The number of stages in mitosis.
- 18. cell division that is separate from mitosis.
- 20. It is the fastest growing organ; We shed millions of these cells per day.
- 21. Total number of pairs of chromosomes.
Down
- 1. The mitosis stage where the DNA separates.
- 3. They provide a road map to cells as well as tell the cells what to do.
- 4. In 1838, they concluded that all plants are made of cells.
- 5. Wall Surrounds the plasma membrane and supports cells in a plant.
- 6. The process of cells becoming two cells
- 8. Bacteria, algae, and yeast cells
- 9. In 1839, they concluded that all animals are made of cells.
- 10. In 1858, they concluded that cells can only come from pre-existing cells
- 12. plants and animals
- 13. Must be duplicated before cell division can occur.
- 14. The division of replicated chromosomes into two new nuclei.
- 19. The only type of human cell that cannot be replaced
