| 单词 | 前期阶 |
| 释义 | 〔zygotene〕The stage in prophase of meiosis during which homologous chromosomes become paired. 偶线期：减数分裂的前期阶段，在此期间异体同型的染色体配对〔prophase〕The first stage of meiosis, constituted by a series of events that include DNA replication, the synapsis of homologous chromosomes, crossing over, the formation of chiasmata, and contraction of the chromosomes.前期阶：减数分裂的第一个阶段，由一系列的事件组成，包括脱氧核糖核酸的复制，同种染色体结合、交叉，染色体形成以及染色体的收缩〔prophase〕The first stage of mitosis, during which the chromosomes condense and become visible, the nuclear membrane breaks down, and the spindle apparatus forms at opposite poles of the cell.前期阶：细胞减数分裂的第一个阶段，其间染色体浓缩且能被看见，核细胞膜衰弱，纺锤体在细胞的相对纺锤极形成 |
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