At tetrad stage, dyad, triad, tetrad with micronucleus and polyad appeared.

四分体时期还出现二分体、三分体、含微核的异常四分体及多分体。

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

花行数分，质分属同时型，产生小孢子四分体，为四面体形。

At this point esch chromosome consist of a pair of chromatids and the two associated chromosomes are termed a tetrad.

此时每条染色体由一对染色单体构成，这两条联合的染色体称为四分体。

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.

小孢子数分质分为同时型,产生正四面体型四分体。

Diplotene In MEIOSIS, the stage in late PROPHASE I when the pairs of chromatids begin to separate from the tetrad formed by the association of homologous chromosomes.

在数第一次分的前期中的靠后的一个阶段。