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94 巻 (2025)
- 2 号 p. 2_019-
- 1 号 p. 1_001-
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Regular Article
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Toshiaki Fujimoto, Susumu Katsuma, Ken Sahara2025 年 94 巻 2 号 p. 2_019-2_022
発行日: 2025年
公開日: 2025/06/16
ジャーナル フリーThe silkworm Bombyx mori carries a holokinetic (holocentric) chromosome and has a female heterogametic sex determination system (WZ/ZZ chromosomes, female/male). Homologous chromosomes form directional synaptonemal complexes during primary meiosis. The WZ sex chromosomes have a bivalent form; however, the direction of their pairing has long been unknown. In this study, our fluorescence in situ hybridization-based analysis revealed that the W and Z chromosomes form a non-directional bivalent during primary meiosis.
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