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(Biochemistry) the first stage of the prophase of meiosis during which the nuclear material becomes resolved into slender single-stranded chromosomes
[C20: from lepto- + -tene, from Greek tainia band, filament]
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|Noun||1.||leptotene - the first stage of the prophase of meiosis|
prophase - the first stage of meiosis
synapsis - the side by side pairing of homologous maternal and paternal chromosomes at the start of meiosis