Related to Mitotic division: meiotic divisionmitosis mi·to·sis (mī-tō′sĭs) n. pl. mi·to·ses (-sēz) Biology 1. The process in cell division by which the nucleus divides, typically consisting of four stages, prophase, metaphase, anaphase, and telophase, and normally resulting in ...
The complete development of the male gametophyte from the pollen mother cell involves one meiotic division followed by two mitotic divisions. Final Answer:The processes necessary for the complete development of the male gametophyte from the pollen mother cell are:- One meiotic division and two ...
Referring to cells (for example, neurons) that do not exhibit mitosis and cell division after fetal development is complete. Farlex Partner Medical Dictionary © Farlex 2012 Want to thank TFD for its existence?Tell a friend about us, add a link to this page, or visitthe webmaster's page ...
Similarly, during meiosis I, intact nucleoli trail behind the separating homologous NORs and are partitioned equally to the two half-nuclei. During the second meiotic division, however, the nucleolus, together with a major portion of the nucleoplasm and the nuclear pore complexes, are not included...
This ubiquitin ligase controls the timely degradation of a variety of important mitotic regulatory proteins, a process that is necessary for the orderly progression through the cell division cycle (reviewed by Peters, 2002). During the G1 phase of the cell cycle, APC/C needs to be active to ...
I.A. Crossing-Over and Chiasmata Two types of cell division are known for eukaryotic organisms: mitotic and meiotic. Recombination takes place in both. In cells that enter meiosis, the chromosomes have already undergone DNA replication so that each chromosome consists of two sister chromatids con...
Two individuals examined deviated from this rule in that a metaphase spermatogonium showed three and an anaphase spermatogonium eight CLEs. These animals are believed to have been aneuploid relative to the CLEs. An analysis of spermatogonial division revealed that the CLEs behave like the centromere...
and esse 中文翻译: 真核细胞分裂的有丝分裂和减数分裂模式的共同进化 真核细胞的遗传物质(其核和其他细胞器(包括线粒体)被包裹在膜中)既包含核DNA(ncDNA),也包含线粒体DNA(mtDNA)。这些在几个方面明显不同,但是必须编码彼此兼容的蛋白质,以使有机体正常发挥功能。在这里,我们介绍了两种最常见的生殖细胞分裂...
How does cell division and cell growth play a role in the life of a cell? Give an evaluation of the biological significance of mitosis and meiosis. What is the significance of chiasma formation during meiotic cell division? Briefly describe the purpose of mitosis. ...
representative of the general embryo population. Finally, we found that the second mitosis had significant reduction in error-associated phenotypes compared to the first. This supports the idea that the first division is uniquely error prone and makes the dominant contribution to preimplantation ...