1. PROKARYOTES: BINARY FISSION (SPLITTING IN HALF!)

2. MITOSIS: Cell division process which produces two daughter cells NO CHANGE IN GENETIC CONTENT: parent cells and daughter cells are both diploid Organisms use mitosis for GROWTH AND REPAIR

3. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. INTERPHASE: Cells have two copies of each chromosome (here, one pair of little chromosomes, and one pair of big chromosomes). WATCH CAREFULLY! Nuclear envelope Chromosome

4. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. G 2, Late interphase Cell checks for complete DNA replication. Nucleolus Nuclear envelope Chromatid Centrioles

5. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Prophase Chromosomes condense, become visible. Spindle apparatus forms. Condensed replicated chromosome Spindle fibers

6. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Metaphase Chromosomes align along equator of cell.

7. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Anaphase Sister chromatids separate to opposite poles of cell.

8. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Telophase Nuclear membranes assemble around two daughter nuclei. Chromosomes decondense. Spindle disappears.

9. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Cytokinesis Division of the cytoplasm into two cells. THIS IS NOT A STAGE, BUT AN EVENT THAT MARKS THE END OF TELOPHASE

10. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Interphase of daughter cells. Cells resume normal functions or enter another division cycle.

11. Steps of Mitosis I P M A T Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Late interphase Cell checks for complete DNA replication. Prophase Chromosomes condense, become visible. Spindle apparatus forms. Metaphase Chromosomes align along equator of cell. Anaphase Sister chromatids separate to opposite poles of cell. Telophase Nuclear membranes assemble around two daughter nuclei. Chromosomes decondense. Spindle disappears. Early interphase of daughter cells. Cells resume normal functions or enter another division cycle.