desynapsis or unpairing of homologous chromosomes is started in
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Asynapsis is the complete failure ofhomologous chromosomes to pair or synapse during the first meiotic division, whereas, desynapsis is a condition where homologous chromosomes pair or synapse normally at the beginning of prophase, but later fail to maintain this association in the subsequent stages of meiosis and ..
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• Prophase
Desynapsis occurs when the homologous chromosomes synapse in the prophase but in later stages they fail to maintain the synapse . Thus, this eventually leads to premature segregation . Desynapsis was first found in maize . This plays a vital role in the formation of poly-ploids* .
*Polyploidy is the state of a cell or organism having more than two paired (homologous) sets of chromosomes.
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