meiosis
美 [ma??o?s?s]
英 [ma????s?s] 
- n.(細胞的)減數分裂
- 網絡成熟分裂;細胞減數分裂;減數分裂期
詞形變化
復數:meioses
英漢雙解
1. | (細胞的)減數分裂the division of a cell in two stages that results in four cells, each with half the number of chromosomes of the original cell |
英漢解釋
英英解釋
例句
Such a gamete may be produced by tetraploid tissues, or it may be the result of faulty meiosis.
這樣的配子可能是通過四倍體組織或者是錯誤的減數分裂產生的。
The cell prepares for meiosis just as it does for mitosis. But as the DNA condenses, each chromosome finds its homologous counterpart.
細胞減數分裂的準備同有絲分裂一樣。但是,隨著DNA的濃縮,每個染色體都會與其同源染色體配對。
Meiosis is a special form of cell division that takes place in the reproductive organs that produce sex cells.
減數分裂過程中是一種特殊形式的細胞分裂,發生在生殖器官性細胞。
After meiosis of megasporocyte, pistils of female flowers continued to grow and those of male flowers aborted.
大孢子母細胞減數分裂后,雌花雌蕊繼續發育,雄花雌蕊敗育。
One pair of homologous chromosomes resulting from the division of a tetrad during meiosis.
二分體一對由四分體在成熟分裂過程中形成的同源染色體
And the meiosis did not show any difference on their ploidy level, no matter which parents the genetic messages were acquired from.
各植株包含的遺傳物質無論偏向于哪個親本,在其各自的倍性水平上未能看出減數分裂過程中的差異。
Meiosis comprises a pair of specialized nuclear divisions that produce haploid germ cells.
減數分裂由兩次產生單倍體生殖細胞的核分裂組成。
The stability of meiosis seed-set rate and plumpness of kernels might be changed when the cytoplasm of a triticale was changed.
改變小黑麥細胞質有可能增加減數分裂的穩定性,提高小黑麥的結實率與籽粒飽滿度。
In addition, correlations between the meiosis and callose deposition in the wall of megasporocyte have been discussed.
此外,本文還討論了大孢子母細胞減數分裂與細胞壁內沉積胼胝質之間的相關性。
Bivalent Describing any pair of homologous chromosomes when they pair up during MEIOSIS.
在減數分裂中配對時的任意一對同源染色體。
Microspore mother cells in an anther started but did not end the meiosis at the same time.
小孢子母細胞減數分裂同時開始,但不同時結束,分裂過程高度不同步。
Within the rice anther, meiosis of the pollen mother cell produces microspores, which further develop into pollen grains.
水稻的小孢子母細胞在花粉囊中進行減數分裂產生小孢子,小孢子進一步發育成花粉粒。
During meiosis, homologous chromosomes undergo pairing, synapsis, recombination and faithful segregation.
在減數分裂過程中,同源染色體經歷了配對,聯會,重組和精確地分離。
As the nucleus divided twice, and chromosomes replicate only once, so halve the number of chromosomes after meiosis.
由于細胞核分裂兩次,而染色體只復制一次,所以經過減數分裂染色體數目減半。
Generally meiosis occurs before gamete formation, resulting in the gametes being haploid (having half the normal number of chromosomes).
在配子形成前通常會發生減數分裂,產生單倍體的配子(染色體數為正常的一半)。
Terminalization The movement of chiasmata to the end of the bivalent arms, a process that may occur during late prophase I of meiosis.
發生在第一次減數分裂后期,染色體交叉向二價體染色體臂的末端移動的過程。
Because meiosis, so that each type of organism from generation to generation are able to maintain the diploid chromosome number.
由于減數分裂,使每種生物代代都能夠保持二倍體的染色體數目。
Cytological studies were conducted on pollen mother cells(PMCs)meiosis of autotetraploid broccoli using chromosome preparation technique.
以同源四倍體青花菜為材料,采用常規壓片法研究花粉母細胞減數分裂行為。
Haploid - Having only one set of chromosomes, usually by meiosis, or resulting from an unfertilized eggs.
單倍體-只有一個一套染色體,通常是減數分裂,或產生的未受精的卵子。
Meiosis, which usually precedes spore or, sometimes, gamete formation, halves the chromosome number to produce haploid gametes .
染色體數目減半通常發生在減數分裂產生孢子或往往是合子減數分裂形成單倍體配子時。
In meiosis it is not until anaphase II that the centromere divides, the chromatids being termed daughter chromosomes after separation.
在減數分裂期間,直到分裂后期II兩條染色單體才隨著著絲點的分裂而彼此分開。更詳細。
Seedlessness is an elite trait in citrus and triploid citrus is seedless in nature due to the abnormal meiosis and embryo abortion.
無籽是柑橘的一項優良品質,柑橘三倍體由于染色體減數分裂不正常,配子敗育,因此是天然的無籽類型。
On germination, the zygospore undergoes meiosis to produce haploid cells that give rise to a new thallus.
在萌發期,接合孢子經歷減數分裂形成單倍體細胞再產生新的植物體。
Chiasma (pl. chiasmata) A connection between homologous chromosomes seen during the prophase stage of meiosis.
在細胞減數分裂的前期,同源染色體之間形成的接觸點。
These findings provide insights into the evolution of meiosis and kinetochore regulation during mitosis and meiosis.
這些發現為研究減數分裂以及有絲分裂和減數分裂中動粒調節的演變提供了基礎。
the interchange of sections between pairing homologous chromosomes during the prophase of meiosis.
在減數分裂初期一對同源染色體之間片段(遺傳物質)的互換過程。
The results showed that the meiosis behavior of pollen mother cell of sterile is normal. Abortion occurred after formation of tetrads.
結果表明,不育株花粉母細胞減數分裂染色體行為未見異常,敗育發生在四分小孢子形成之后。
Pollen mother cells(PMC)meiosis and relevant parameters of diploid and autotetraploid broccoli were studied comparatively.
觀察二、四倍體青花菜花粉母細胞減數分裂過程并對分裂各時期參數進行統計分析。
Meiosis occurs in gametes before the formation of a certain time, it is a nuclear male and female gametes are single-fold.
減數分裂發生在配子形成前的某一時期,所以雌雄配子的核都是單倍的。
To track sperm development, they used a fluorescent protein that marked cells undergoing--or that had undergone--meiosis.
為了跟蹤精子發育,他們使用了熒光蛋白來標記細胞正在發生或已經發生的減數分裂。
the contraction of chromatin towards one side of the nucleus during the prophase of meiosis.
在減數分裂初期染色質向核子一側緊縮。
The cytokinesis of the microspore mother cells in meiosis is successive and the microspore tetrads are tetrahedral.
小孢子母細胞減數分裂中的胞質分裂為連續型,四分孢子為四面體型;
Chromomere A small beadlike deeply staining structure seen in chromosomes during prophase of mitosis and meiosis.
在有絲分裂及減數分裂的前期存在于染色體上的小念珠狀的著色深的結構。
Anaphase The stage in mitosis or meiosis when chromatids are pulled toward opposite poles of the nuclear spindle.
在有絲分裂或者減數分裂過程中染色單體分別朝相反的兩極運動。更詳細。
The phenomenon of crossing over during meiosis results in exchanges of genetic information between chromosomes.
這一現象在減數分裂的交叉,結果之間的遺傳信息交流的染色體。
Methods: Using germ cells in meiosis as material to make sections, the changes of meiosis phases of spermatocyte were analyzed.
方法采用哺乳動物生殖細胞減數分裂制片技術,觀察小鼠精母細胞減數分裂相的變化。
The formation of nuclear membrane, there nucleoli, after cytoplasmic division, the completion of meiosis.
形成核膜,出現核仁,經過細胞質分裂,完成減數分裂過程。
This demonstrates that the genes on a Y chromosome are essential for meiosis and sperm maturation.
這證明,Y染色體上的基因對于細胞減數分裂和精子成熟至關重要。
These observations clarify that the PAIR1 protein plays an essential role in establishment of homologous chromosome pairing in rice meiosis.
這些結果闡明了PAIR1蛋白在水稻減數分裂的同源染色體配對過程中發揮了關鍵作用。
Therefore, defects in meiosis are a leading cause of both infertility and birth defects.
因此,減數分裂若出錯的話是導致不育和生育缺陷的主要原因。