During which stage of Prophase-I synapsis occurs?
During which stage of Prophase-I synapsis occurs?
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Zygotene:
Pairing of non-sister chromatids of homologous chromosomes takes place by formation of synaptonemal complex. This pairing is called synapsis. Each pair consists of a maternal chromosome and a paternal chromosome. Chromosomal pairs are called bivalents or tetrads.
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