chromosome pairing

基本解释

Homologous chromosome pairing in both F_1 and F_2 PMC's was observed.
对F_1和F_2花粉母细胞（PMC）的部分同源染色体配对进行了观察。
Some abnormal division had been observed at microspore mother cell meiosis stage, e. g. chromosome pairing abnormally, aberrant dyad formation and asynchronous dyad division.
在小孢子母细胞减数分裂过程中出现了一些异常现象，如染色体不能正常配对、形成异常二分体及二分体分裂不同步等现象。
The main meiotic chromosomal aberration of PMC are multipolar division, loose pairing, inversion, tetravalent, interlocking chromosome, unequal segregation, straggling chromosome, bridge and laggards.
上述不育系花粉母细胞减数分裂的染色体畸变是：多极分裂、疏松配对、倒位、四价体、互锁染色体、不等分离、拖曳、桥、落后等；