Potassium antimonate was used to locate calcium in the fertile and sterile anther of a thermo-sensitive genie male-sterile rice at microspore mother cell meiosis stage and at early microspore stage.
用焦锑酸盐沉淀法研究了温敏雄性核不育水稻在减数分裂时期和单核早期可育花药与不育花药的钙分布。
Synapsis (pairing) the association of homologous chromosomes during the prophase stage of meiosis that leads to the production of a haploid number of bivalents.
偶线期时,以同源染色体活跃的、特定的配对(联会)为特征,形成了单倍数的二价染色体。
Failure has often struck at the stage of meiosis, a type of cell division during which paired chromosomes swap DNA and the number of chromosomes per cell is halved.
减数分裂是在配对的染色体交换DNA和细胞内染色体数目减半时的一种细胞分裂。
In meiosis, the pollen mother cells that abnormally acted made up about 10.28% and the male gametophytes abnormally acted at a frequency of 3.2% and mainly aborted at uninucleate stage.
减数分裂过程中染色体行为异常的花粉母细胞约占10.28%;雄配子体发育过程中异常频率约为3.2%,败育主要发生在单核期。
In meiosis, the pollen mother cells that abnormally acted made up about 10.28% and the male gametophytes abnormally acted at a frequency of 3.2% and mainly aborted at uninucleate stage.
减数分裂过程中染色体行为异常的花粉母细胞约占10.28%;雄配子体发育过程中异常频率约为3.2%,败育主要发生在单核期。
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