Dissolution of the synaptonemal complex occurs during:a)Diploteneb)Lep...
Dissolution of the synaptonemal complex occurs at diplotene phase of prophase I in meiosis
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Dissolution of the synaptonemal complex occurs during:a)Diploteneb)Lep...
Dissolution of the synaptonemal complex occurs during Diplotene stage.
The synaptonemal complex (SC) is a proteinaceous structure that forms between homologous chromosomes during meiosis. It plays a crucial role in ensuring proper pairing and recombination of homologous chromosomes.
During meiosis, the process of synapsis occurs during the zygotene stage, where homologous chromosomes align and form pairs. The synaptonemal complex then assembles between the paired chromosomes, holding them together and facilitating the exchange of genetic material through a process called crossing over.
However, at the diplotene stage, the synaptonemal complex starts to dissolve and the paired homologous chromosomes begin to separate. This dissolution of the synaptonemal complex is a critical step in meiosis, as it allows for the independent segregation of homologous chromosomes during the subsequent stages.
Significance of the dissolution of the synaptonemal complex:
- Independent segregation: The dissolution of the synaptonemal complex allows the homologous chromosomes to separate from each other, ensuring that they can be independently segregated into different daughter cells during meiosis I.
- Genetic recombination: During the synaptonemal complex formation, crossing over occurs, leading to the exchange of genetic material between homologous chromosomes. The dissolution of the synaptonemal complex marks the completion of this recombination process.
- Chromosomal integrity: The dissolution of the synaptonemal complex ensures that the paired chromosomes separate without any entanglement or damage, maintaining the integrity of the individual chromosomes.
Conclusion:
The dissolution of the synaptonemal complex occurs during the diplotene stage of meiosis. This dissolution is essential for the independent segregation of homologous chromosomes and marks the completion of genetic recombination.
Dissolution of the synaptonemal complex occurs during:a)Diploteneb)Lep...
Synoptonemal complex dissolution occurs during"DIPLOTENE"...
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