| The Cell Life Cycle | |
| G-1 | DNA transcription growth energy |
| S-1 | DNA replication cell shut down |
| G-2 | DNA transcription energy |
| division | mitosis cytokinesis |
| Meiosis, observable events | |
| Interphase | normal |
| Prophase 1 | chromosomes appear |
| Metaphase 1 | chromosome pairs on equator |
| Anaphase 1 | chromosome pairs separate chromosomes move |
| Telophase 1 | nuclei reform
sometimes absent |
| Interphase | normally brief
sometimes absent |
| Prophase 2 | chromosomes reappear
sometimes absent |
| Metaphase 2 | chromosomes on equator |
| Anaphase 2 | chromatids separate chromatids move |
| Telophase 2 | nuclei reform |
| Interphase | normal |
| Cytokinesis | 4 meiospores produced |
| Meiosis, summary | |||
| phase | chromosomes | chromatids | cells |
| Interphase | n pairs | paired | 1 |
| Prophase 1 | n pairs | paired | 1 |
| Metaphase 1 | n pairs | paired | 1 |
| Anaphase 1 | n | paired | 2 |
| Telophase 1 | n | paired | 2 |
| Interphase | n | paired | 2 |
| Prophase 2 | n | paired | 2 |
| Metaphase 2 | n | paired | 2 |
| Anaphase 2 | n | unpaired | 4 |
| Telophase 2 | n | unpaired | 4 |
| Interphase | n | unpaired | 4 |
| Cytokinesis | n | unpaired | 4 |
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© 2004-2005 TwoOldGuys ™
revised 19 aug 2006