Synapsis (pairing) The association of homologous chromosomes during the prophase stage of meiosis that leads to the prod联会（配对）：能产生单倍二价体的减数分裂前期，同源染色体的联合现象。
Isolation of Poor Homologous Synapsis 1 Promoter and Construction of Its Expressing Vector in Arabidopsis thaliana同源联会缺乏基因1启动子的分离及表达载体的构建