What is the Difference Between Diplotene and Diakinesis?
🆚 Go to Comparative Table 🆚Diplotene and diakinesis are two stages of prophase I in meiosis, a special type of cell division that occurs in sexually reproducing organisms to produce gametes such as sperm and egg cells. The main differences between diplotene and diakinesis are:
- Stage: Diplotene is the fourth stage of prophase I, while diakinesis is the fifth stage of prophase I.
- Synaptonemal Complex: In diplotene, synapsis ends with the disappearance of the synaptonemal complex, and homologous pairs remain attached at chiasmata. In diakinesis, the synaptonemal complex is not present.
- Chromosome Condensation: During diplotene, paired chromosomes begin to separate, forming two pairs of chromatids. In diakinesis, chromosomes become fully condensed.
- Nuclear Membrane: In diplotene, the nuclear membrane does not disintegrate into vesicles, but in diakinesis, the nuclear membrane disintegrates into vesicles.
In summary, diplotene and diakinesis are two distinct stages of prophase I in meiosis, with diplotene occurring earlier in the process and involving the separation of paired chromosomes, while diakinesis involves the full condensation of chromosomes and the disintegration of the nuclear membrane.
Comparative Table: Diplotene vs Diakinesis
The difference between diplotene and diakinesis lies in their sequence in meiosis and the events that occur during each stage. Here is a table comparing the two stages:
Feature | Diplotene | Diakinesis |
---|---|---|
Sequence in Meiosis | Fourth stage of Prophase I | Fifth stage of Prophase I |
Synaptonemal Complex | Synaptonemal complex begins to disassemble, but homologous pairs remain linked at chiasmata | Synaptonemal complex completely disintegrates |
Homologous Chromosomes | Paired chromosomes start to separate into two pairs of chromatids | Chromosomes condense further, and four parts of tetrads are visible |
Nuclear Membrane | Nuclear membrane remains intact | Nuclear membrane disintegrates into vesicles |
During diplotene, the synaptonemal complex begins to disassemble, but homologous pairs of chromosomes remain linked at chiasmata. In contrast, during diakinesis, the synaptonemal complex completely disintegrates, chromosomes condense further, and the nuclear membrane disintegrates into vesicles.
- Pachytene vs Diplotene
- Karyokinesis vs Cytokinesis
- Telophase vs Cytokinesis
- Cytokinesis vs Mitosis
- Dikaryotic vs Diploid
- Interphase vs Prophase
- Mitosis vs Meiosis
- Mitosis vs Meiosis
- Prophase vs Metaphase
- Anaphase vs Telophase
- Pachytene vs Zygotene
- Interphase vs Mitosis
- Akinesia vs Dyskinesia
- Anaphase of Mitosis vs Anaphase I of Meiosis
- Cell Division vs Mitosis
- Prophase I vs Prophase II
- Plant vs Animal Cytokinesis
- Mitosis vs Amitosis
- Anagenesis vs Cladogenesis