meiosis

These findings provide insights into the evolution of meiosis and kinetochore regulation during mitosis and meiosis.

这些发现为研究数以及有丝和数中动粒调节的演变提供了基础。

Chromomere A small beadlike deeply staining structure seen in chromosomes during prophase of mitosis and meiosis.

在有丝及数的前期存在于染色体上的小念珠状的着色深的结构。

On germination, the zygospore undergoes meiosis to produce haploid cells that give rise to a new thallus.

在萌发期，接合孢子经历数形单倍体细再产生新的植物体。

Pollen mother cells undergo meioses through simultaneous cytokinesis and give rise to tetrads of microspores, which are tetrahedrally arranged.

花粉母细数，细质属同时型，产生小孢子四体，为四面体形。

It is speculated that meiosis occurs during the time period from these formation of the conchospore to the first cell division of it.

并对数这一遗传现象进了重新认识，提出紫菜数可能发生在壳孢子形至壳孢子萌发的第一次细时期。

Terminalization The movement of chiasmata to the end of the bivalent arms, a process that may occur during late prophase I of meiosis.

交叉)移端：发生在第一次数后期，染色体交叉向二价体染色体臂的末端移动的过程。

There are a lot of sporule mother cells in every sporangium, they are respective via meiosis hind, produce the sporule of 4 monoploid.

每个孢子囊中有许多小孢子母细,它们各自经数后,产生四个单倍体的小孢子。

Ubisch bodies and lipid bodies are found in the glandular tapetums. In meiosis of microsporocyte, cytokinesisis is a simultaneous type, which produces an isobilateral tetrad.

小孢子母细数质为同时型,产生正四面体型四体。