microspore in English
Both of these genera are heterosporous, meaning that each species produces two distinctly different types of spores: microspores and megaspores.
Use "microspore" in a sentence
1. 2 Cytokinesis in the microspore is of the simultaneous type and microspore tetrads are mainly tetrahedral. Pollen grains are mainly 2-celled when shed.
2. 9 Cytokinesis is of the simultaneous type and microspore tetrads are mainly tetrahedral.
3. A unique feature of ms1 was the occurrence of an abnormally thickened microspore wall.
4. Microspore embryogenesis was induced in anthers of Brassica oleracea L. var. acephale D.C. cv.
5. Key words: restriction fragment length polymorphism, genetic linkage map, homoeologous recombination, microspore culture, doubled haploid.
6. A new species of the microspore genus Lycopodiumsporites from Albian deposits in NW-Germany is described.
7. This discovery was made because she observed cells from the microspore as opposed to the root tip.
8. At the stage of microspore, the tapetal cells evidently degenerated, and starches in parenchyma around vascular bundle became large.
9. When the Antherozoids are mature the wall of the microspore cracks open along the triradiated ridge and the Antherozoids are liberated
10. 1 Cytokinesis of microspore mother cells during meiosis was simultaneous type, and pollen grains were 2-cell, it suggested that the Dioscoreaceae was rather primitive in Angiosperm.
11. Nuclear fusion and endomitosis occurring during the initial stages of in vitro microspore development were postulated to account for the formation of nonhaploid callus.
12. The effect of auxins and abscisic acid (ABA) on shoot apical meristem development and function was analyzed in microspore-derived embryos of Brassica napus L. ‘Topas’.
13. 19 The microspore mother cells give rise to isobilateral tetrads by meiosis. Cytokinesis is successive. The mature pollen grains are 2-celled and are shed singly.
14. Sex expression and reproduction of four bryophytes following timber harvesting After a period of dormancy, each microspore germinates and grows into a prothallus that in turn produces ciliated, male gametes ( Antherozoids ).
15. Free-floating water ferns (of the modern genera Azolla and Salvinia) are widespread in the Cainozoic.They are represented by whole plants and dispersed or interconnected megaspores and microspore massulae in freshwater facies associated with a range of aquatic angiosperms.
16. After a period of dormancy, each microspore germinates and grows into a prothallus that in turn produces ciliated, male gametes (Antherozoids). Azolla: a review of its biology and utilization Antheridia, Antherozoids and chloroplasts of shield mature cells of Chara hydropitys.