另一些花粉母细胞在末期具有微核。
There were micronucleus at telophase in another pollen mother cells.
另一些花粉母细胞在末期具有微核。
The nucleus in shrinking cytoplasm of microspore mother cell enters into telophase. 17.
由于异常花粉母细胞很少，孟德尔分离比例仍然成立。
Because the abnormal PMCs were very rare, the Mendel's segregation rate was still fitted.
花粉母细胞染色体数不恒定，后期两极染色体数分配不均等。
So were chromosomal deficiency or reproduction, and unequal division in the period of pollen mother cell.
用风油精活体诱导玉米花粉母细胞粗线期染色体G带和螺旋的结果表明。
The EB(Essential Balm)method was adopted to study, the G-bands and macrocoilson the maize pachytene chromosome.
对F_1和F_2花粉母细胞(PMC)的部分同源染色体配对进行了观察。
Homologous chromosome pairing in both F_1 and F_2 PMC's was observed.
在次生造孢细胞、花粉母细胞和小孢子后期都有液泡数量明显增加或体积增大的过程。
At the late stage of the sporogenous cells, mother pollen cells and microspores, the vacuoles remarkably increased in quantity or size.
水稻细胞质雄性不育系珍汕97a，在花粉母细胞形成期以后可溶性蛋白含量迅速降低。
The soluble protein content in spikelet of Zhenshan 97a of cytoplasmic male sterile rice decreased rapidly after the formation stage of pollen mother cell (PMC).
当花粉母细胞进行减数分裂时，花药绒毡层细胞和花粉母细胞中出现了许多的细小钙颗粒。
When microspore mother cell preparing meiosis, abundant calcium precipitates appeared in cytoplasm of tapetal cells and microspore mother cells, and in callus wall surrounding the cells.
为获得清晰的染色体图像，对柑橘的体细胞染色体和花粉母细胞染色体制片方法进行了研究。
The chromosome flaking methods of somatic cells and pollen mother cells of citrus plant were compared and a new method of chromosome flaking for citrus plant was developed.
同一花药不同花粉囊相同一药室，花粉母细胞减数分裂和小孢子的发育，并不是高度同步的。
It is not synchronous highly that the meiosis of pollen mother cells and the development of microspore in the same anther but different pollen sac and in the same anther chamber.
为获得清晰的染色体图像，对柑橘的体细胞染色体和花粉母细胞染色体制片方法进行了研究。
The result showed that chromosomes of most pollen mother cells behaved normaly during the meiotic divisions.
水稻光温敏核不育系d 18和D23的育性转换的敏感期是第二次枝梗分化期到花粉母细胞形成期。
The sensitive phase of fertility alteration of D18 and D23 occurred from the second branch differentiation phase to pollen mother cell formation.
解决了激光显微分离系统染色体样本制备的难题，使杨树花粉母细胞减数分裂染色体激光显微分离成为可能。
Some results as follows, 1. Chromosome preparation for laser micro-dissection system was solved, which indicated that laser micro-dissection of PMCs meiotic chromosomes in Populus was feasible.
花粉发育过程做了超微结构观察。结果表明，在花粉母细胞细线和偶线期，核糖体数量减少、线粒体结构简化；
The results showed that the mother pollen cells presented decreased ribosome numbers at leptotene and zygotene stages, and simplified mitochondria structure;
结果发现，花粉母细胞核内存在粗细不等的微梁骨架，与核仁和染色体紧密相连，随着发育的推移，其均一性发生改变。
The nucleolus and chromosomes were connected with the MN filament network. The uniformity of nuclear MN changed with the development of the PMCs.
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.
单瓣紫花木槿的小孢子母细胞经过减数分裂形成四面体状的四分体，成熟花粉是二细胞型花粉，圆球型，表面有刺毛。
The results showed that the type of microsporic tetrads of the simple flower is belong to tetrahedral type and the mature pollen is two-celled with bristles on the surface.
绒毡层：维管植物花粉囊内包围孢子母细胞的富含营养物质的一层结构。
Tapetum (pl. tapeta) A food-rich layer surrounding the spore mother cells in the anthers of vascular plants.
绒毡层：维管植物花粉囊内包围孢子母细胞的富含营养物质的一层结构。
Tapetum (pl. tapeta) A food-rich layer surrounding the spore mother cells in the anthers of vascular plants.
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