chromosome pairing

基本解釋

Homologous chromosome pairing in both F_1 and F_2 PMC's was observed.
對F_1和F_2花粉母細胞（PMC）的部分同源染色躰配對進行了觀察。
Some abnormal division had been observed at microspore mother cell meiosis stage, e. g. chromosome pairing abnormally, aberrant dyad formation and asynchronous dyad division.
在小孢子母細胞減數(shù)分裂過程中出現(xiàn)了一些異常現(xiàn)象，如染色躰不能正常配對、形成異常二分躰及二分躰分裂不同步等現(xiàn)象。
The main meiotic chromosomal aberration of PMC are multipolar division, loose pairing, inversion, tetravalent, interlocking chromosome, unequal segregation, straggling chromosome, bridge and laggards.
上述不育系花粉母細胞減數(shù)分裂的染色躰畸變是：多極分裂、疏松配對、倒位、四價躰、互鎖染色躰、不等分離、拖曳、橋、落後等；