| 1. | The gametophyte is derived from the product of a reduction division in the megaspore mother cell .
该配子体是由大孢子母细胞进行减数分裂而来。 |
| 2. | The time at which the two reductive divisions occur is not necessarily coincident to the time of ovulation .
两次减数分裂的时间不一定与排卵时间相一致。 |
| 3. | Meiosis, which occurs only in the formation of gametes, is a specialized form of cell division .
仅仅发生在配子形成中的减数分裂是一种特殊形式的细胞分裂。 |
| 4. | It followed a normal course up to first meiotic metaphase when it inexplicably failed .
它按正常减数分裂过程进行到第一次减数分裂中期后就莫名其妙地停止了。 |
| 5. | The chiasmata observed during the later stages of the meiotic prophase are cytological evidence of earlier cross-over events .
在减数分裂前期末所看到的交叉是在这以前发生了互换事件的细胞学证据。 |
| 6. | Homologous recombination in meiosis
减数分裂中的同源重组 |
| 7. | Triticum aestivum ; megasporocyte ; meiosis ; cytoplasmic reorganization
小麦大孢子母细胞减数分裂细胞质改组 |
| 8. | Leukocyte reduction filters
白细胞减数分裂过滤器 |
| 9. | They are formed by meiosis of somatic pollen mother cells
在花粉囊或雄蕊中大量产生，由花粉母细胞经减数分裂而来。 |
| 10. | Observation on the meiotic behaviour of pollen mother cells of two citrus cultivars
2个柑橘品种花粉母细胞减数分裂行为的观察 |
