?meiosis

meiosis發(fā)音

[mai'əusis]

英：　　美：

meiosis中文意思翻譯

細胞核減數(shù)分裂, 間接肯定法

meiosis詞形變化

副詞: meiotically | 形容詞: meiotic | 名詞復數(shù): meioses |

meiosis常見例句

1 、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(shù)分裂，或產生的未受精的卵子。

2 、A cell from which an egg or ovum develops by meiosis;a female gametocyte.───卵母細胞一種通過分裂產生卵子的細胞，是一種雌性配子母細胞

3 、During the meiosis of microspore mother cells, the amount of starches apparently increased in parenchyma around vascular bundle but there were no starches in tapetal and middle layer cells.───在減數(shù)分裂時期，藥隔薄壁細胞中積累的淀粉粒明顯增多，絨氈層細胞中仍然沒有淀粉粒。

4 、The most high infest rate of VAM to root tip is the meiosis zone,VAM can induce root primordium here, VAM also can infect the root cap.───VAM對根尖的侵染率差異以分生區(qū)最顯著,并可誘導形成根原基; VAM可侵染根冠.

5 、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(shù)分裂后，雌花雌蕊繼續(xù)發(fā)育，雄花雌蕊敗育。

6 、The first stage of meiosis, constituted by a series of events that include DNA replication, the synapsis of homologous chromosomes, crossing over, the formation of chiasmata, and contraction of the chromosomes.───前期階減數(shù)分裂的第一個階段，由一系列的事件組成，包括脫氧核糖核酸的復制，同種染色體結合、交叉，染色體形成以及染色體的收縮

7 、In meiosis, the association of four homologous chromatids seen during the pachytene stage of prophase.───減數(shù)分裂前期的粗線期中，四個同源的染色單體向聯(lián)系形成的結構。

8 、BOULE protein, a new member of DAZ family, is found in 2001, and is the key regulation factor in meiosis of human spermatogenesis.───BOULE蛋白是2001年發(fā)現(xiàn)的DAZ家族的新成員,是人類精子發(fā)生過程中減數(shù)分裂的關鍵調控因子.

9 、Chiasma (pl.chiasmata) A connection between homologous chromosomes seen during the prophase stage of meiosis.───交叉：在細胞減數(shù)分裂的前期，同源染色體之間形成的接觸點。

10 、On germination, the zygospore undergoes meiosis to produce haploid cells that give rise to a new thallus.───在萌發(fā)期，接合孢子經歷減數(shù)分裂形成單倍體細胞再產生新的植物體。

11 、Reduction of the diploid number of chromosomes by one half during meiosis, resulting in the haploid number.───減半作用在減數(shù)分裂過程中染色體雙倍體數(shù)目的減半而導致其變成單倍體數(shù)目

12 、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.───同時型胞質分裂和2-細胞型花粉證實了小花盾葉薯蕷所在薯蕷科是較原始的被子植物;

13 、Bivalent Describing any pair of homologous chromosomes when they pair up during MEIOSIS.───二價染色體：在減數(shù)分裂中配對時的任意一對同源染色體。

14 、The micropylar cell in a dyad always degenerated quickly and only chalazal one finished meiosis II to form two unequal-sized megaspores.───合點端的二分體細胞中細胞器豐富，線粒體和質體的形態(tài)正常，表明完成再分化。

15 、The one megaspore archesporial under the nucellar epidermal cell differentiate directly into megaspore mother cell, the meiosis of megaspore mother cell are nomally.───大孢子孢原細胞在直接發(fā)育為大孢子母細胞，大孢子母細胞減數(shù)分裂正常，四分體直線型；

16 、The stage of mitosis and meiosis, following prophase and preceding anaphase, during which the chromosomes are aligned along the metaphase plate.───中期細胞核的有絲分裂和減數(shù)分裂階段，發(fā)生于前期之后和后期之前，在此期間內染色體在中期板平面上定向排列

17 、Meiosis is the cell division to form gametes that have half the chromosome number of the parent cell.───減數(shù)分裂是一種形成只有半數(shù)染色體數(shù)目的配子的細胞分裂。

18 、In meiosis it is not until anaphase II that the centromere divides, the chromatids being termed daughter chromosomes after separation.───在減數(shù)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。

19 、Consisting of a pair of homologous,synapsed chromosomes,as occurs during meiosis;double.───二價染色體的由一對同源，聯(lián)會染色體組成的，如在成熟分裂時出現(xiàn)的;雙的

20 、The cytokinesis of microspore mother cell in meiosis is simuteneous,and the tetrad are tetrahedral.───四分體胞質分裂為同時型。

21 、On the other hand, remarkable progress has been made in the research of meiosis.───另一方面,減數(shù)分裂過程的研究已經取得很大進展。

22 、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

23 、The factors that protect centromeric cohesion during meiosis I have remained elusive.───保護這種結合的因子還不是很清楚。

24 、A cell from which an egg or ovum develops by meiosis; a female gametocyte.───卵母細胞一種通過分裂產生卵子的細胞，是一種雌性配子母細胞。

25 、From pachytene to diakinesis of meiosis, there is nucleolus attached to three nucleolo-chromosomes in the nucleus. The three bivalents are named the second, fifth and twenty-second ones respectively.───大多數(shù)有一個核仁,少數(shù)有兩個或三個核仁.在減數(shù)分裂粗線期至終變期的細胞核內,有一個核仁和三條貼附在核仁上的核仁染色體,這三條核仁染色體分別是第2號、第5號和第22號.

26 、Anaphase The stage in mitosis or meiosis when chromatids are pulled toward opposite poles of the nuclear spindle.───后期:在有絲分裂或者減數(shù)分裂過程中染色單體分別朝相反的兩極運動。

27 、Meiosis comprises a pair of specialized nuclear divisions that produce haploid germ cells.───減數(shù)分裂由兩次產生單倍體生殖細胞的核分裂組成。

28 、When the tapetum disintegrates gradually later, the microspore mother cell has still not entered meiosis, finally disintegrated.───到后期絨氈層逐漸解體，小孢子母細胞依然沒有進入減數(shù)分裂，最終解體。

29 、Treated at anaphase of second meiosis, two female pronuclei and one male pronucleus of the fertilized eggs became abnormal during their fusion and separation procedure.───受精卵在第2次減數(shù)分裂的后期時接受處理，可使部分受精卵的兩個雌性原核和一個雄性原核在融合和分離過程中發(fā)生異常。

30 、The different configurations of chromosome synapsis，such as tetravalents，hexavalents and octovalents，were observed at meiosis of pollen mother cells in 4 garlic varieties.───大蒜品系間在減數(shù)分裂過程中染色體的聯(lián)會行為存在差異，表現(xiàn)有四價體聯(lián)會，六價體聯(lián)會和八價體聯(lián)會等類型。

31 、Biology Consisting of a pair of homologous, synapsed chromosomes, as occurs during meiosis; double.───二價染色體的：由一對同源，聯(lián)會染色體組成的，如在成熟分裂時出現(xiàn)的；雙的

32 、The expression change of BOULE gene or the absence of BOULE protein brings on meiosis arrest and spermatogenic failure, which can lead to azoospermia and male infertility.───BOULE基因表達的改變或BOULE蛋白的缺乏可引起減數(shù)分裂阻滯和精子生成障礙,從而導致無精子癥并產生不育.

33 、Mammalian Spermatogenesis is a unique cell differentiation process and can be divided into three stages: mitosis, meiosis, and spermiogenesis.───哺乳動物的精子發(fā)生是一個復雜的細胞分化過程，可分為有絲分裂、減數(shù)分裂和精子形成三個階段。

34 、C412S in normal PMC meiosis, however, showed a peak pollen abortion at later mononucleate stage of microsporogenesis, which mostly belonged to spherical abortion type.───C412S花粉敗育的高峰在單核小孢子晚期，主要表現(xiàn)圓敗型不育。

35 、Keywords BOULE protein;DAZ family;meiosis arrest;male infertility;───BOULE蛋白;DAZ家族;減數(shù)分裂阻滯;男性不育;

36 、A pair of homologous, synapsed chromosomes associated together during meiosis.───二價染色體在成熟分裂時聯(lián)在一起的一對同源、聯(lián)會染色體

37 、After meiosis, abundant small starches appeared in parenchyma around vascular bundle, and the size of tapetal cells increased and became high vacuolation but there were no starches in the cells.───減數(shù)分裂后，藥隔薄壁細胞中積累了許多細小的淀粉粒，絨氈層細胞液泡化、體積明顯增大和細胞中沒有淀粉粒；

38 、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(fā)生減數(shù)分裂，產生單倍體的配子（染色體數(shù)為正常的一半）。

39 、There were obviously different band of EST isozyme of anther in meiosis and pollen mature stage in male sterility line and maintainer line in sweet pepper and hot pepper.───在減數(shù)分裂期和花粉成熟期,甜椒和辣椒不育系與保持系花藥EST同工酶酶帶均存在明顯的差異。

40 、The results showed that the wholly developmental process could be tentatively divided into four stages, i.e. microsporocyte formation, microsporocyte meiosis, pollen formation, and pollen abortion.───在這一過程中絨氈層發(fā)育既表現(xiàn)過早解體，又表現(xiàn)肥大生長、延遲退化的現(xiàn)象。同一枚花藥中4個花粉囊的發(fā)育也存在明顯的先后次序。

41 、chromosomes are distributed by spindles in mitosis and meiosis.───在有絲分裂及減數(shù)分裂時染色體沿紡錘體排列。

42 、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：發(fā)生在第一次減數(shù)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。

43 、Cytokinesis at meiosis of microspore mother cells is modified simultaneous, and tetrads are decussate or isobilateral, occasionally linear.───四分體排列方式為交叉型或左右對稱型,偶為直線型；

44 、The normal expression of proto-oncogenes plays an important role in the regulation of spermatogonial mitosis, spermatocyte meiosis as well as spermiogenesis and sperm maturation.───在正常睪丸生精過程中,原癌基因的正常表達對精原細胞的有絲分裂、精母細胞的減數(shù)分裂及精子變形、成熟有重要的調控作用。

45 、Of or relating to the association of three or more homologous chromosomes during the first division of meiosis.───多價的屬于在第一時期成熟分裂時三個或者更多的同源染色體的聯(lián)合的、或與之有關的

46 、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.───雙線期：在減數(shù)第一次分裂的前期中的靠后的一個階段。

47 、Tetrad 1.A group of four cells formed as a result of meiosis in a spore mother cell.───四分體：1由孢子母細胞減數(shù)分裂產生的一組四個細胞。

48 、Over four to six weeks, these cells developed and were prompted to undergo the process of "meiosis", which halved the number of chromosomes they carried - a hallmark of sperm.───四到六周之后，這些干細胞培育成熟，刺激它們進入“成熟”過程，所附的作為精子標志的染色體數(shù)量將在此過程中減半。

49 、The lagging chromosome,chromatid bridge and multivalent were observed in meiosis of pollen mother cell of amphidioploid .───四分體階段有微核和不同類型的四分孢子群。

50 、The meiosis process of pollen mother cell in hemp were basically normal, and cytoplasm divided simultaneity.───供試材料減數(shù)分裂染色體行為表現(xiàn)正常，胞質分裂為同時型；

51 、So, meiosis is the process by which a cell divides and splits up the number of chromosomes.─── 減數(shù)*是細胞* 和染色體數(shù)減半的過程

52 、The male-sterile line C26 abortion form mainly has: the microspore mother cell can not develop into meiosis, because of the extrusion from the huge tapetum.───不育系C26的敗育形式主要有：絨氈層巨大化，向內擠壓小孢子母細胞，使其不能正常生長發(fā)育進入減數(shù)分裂；

53 、Organells including endoplasmic reticulum, mitochondria, plastids, dictyosome and sphaeroplassts are rich in microspore at meiosis and tetrad stages.───減數(shù)分裂和四分體時期，細胞處于明顯的代謝活躍狀態(tài)，細胞器豐富，主要有內質網、線粒體、質體、高爾基體和球狀體；

54 、Reduction division The first division of meiosis , including prophase, metaphase I, and anaphase I.It results in a haploid number of chromosomes gathering at each end of the nuclear spindle.───減數(shù)分裂：減數(shù)分裂中的第一次分裂，包括分裂前期，中期I和后期I，形成單倍數(shù)目的染色體在每一個核紡錘體末端聚集。

55 、The number of ribosome in cytoplasm of microspore mother cells decreased gradually during meiosis.───二分體時期，質體和線粒體形態(tài)結構基本恢復正常。

56 、The ovule is bitegminous, crassinucellate and anatropous.The megaspore mother cell divides into linear megaspore terad after meiosis.───大孢子母細胞減數(shù)分裂形成線形排列的4個大孢子，合點端大孢子具功能。

57 、Megasporocytes turns into megaspore by meiosis,which develops to male gametophyte after three times of mitosis.───大孢子母細胞經過減數(shù)分裂，形成功能大孢子，再經3次有絲分裂，發(fā)育成雌配子體。

58 、Abnormality of tapetum :The tapetum in JIYUGENG began to break up at meiosis stage, and basically disintegrated at late microspore stage.───2．藥壁組織絨氈層結構的異常：可育品種吉玉粳絨氈層從減數(shù)分裂期開始降解，到小孢子晚期基本上解體；

59 、Autopoly-ploids may arise from the fusion of diploid gametes that have resulted from the NONDISJUNCTION of chromosomes at meiosis.───同源多倍體通?？赡軄碜栽跍p數(shù)分裂過程中染色體不分離導致的二倍體融合。

60 、Therefore,incomplete reduced gametes were produc ed in meiosis of F1 PMC,which were mainly taken place at the second meiotic di vision.───因此，雜種F1在減數(shù)分裂過程中產生了不完全減數(shù)的配子，并且不完全減數(shù)可能主要是發(fā)生在減數(shù)第二分裂。

61 、After the meiosis process, the megaspore mother cell is divided into four linearly arrayed megaspores, but usually, only the one at the chalazal end is functionalized.───大孢子母細胞經減數(shù)分裂形成線形排列的4個大孢子，合點端大孢子具功能；

62 、When gametes are formed during meiosis, the two alleles become separated (halving of chromosome number).───為驗證此理論，他做了測交實驗，即基因型未知的植物與純合的隱性基因植物雜交。

63 、Consisting of a pair of homologous, synapsed chromosomes, as occurs during meiosis;double.───二價染色體的由一對同源，聯(lián)會染色體組成的，如在成熟分裂時出現(xiàn)的；

64 、Redifferetiation of cytoplasmic components also occurred and callose deposited in its wall during meiosis.───減數(shù)分裂時，大孢子母細胞核中出現(xiàn)核液泡，形成聯(lián)會復合體，細胞壁上有胼胝質加厚，并存在細胞質改組現(xiàn)象。

65 、The failure of homologous chromosomes to pair during meiosis.───不聯(lián)會在減數(shù)分裂期間同源染色體不聯(lián)會成對

66 、Reduction of the diploid number of chromosomes by one half during meiosis,resulting in the haploid number.───減半作用在減數(shù)分裂過程中染色體雙倍體數(shù)目的減半而導致其變成單倍體數(shù)目。

67 、Cytokinesis in the megaspore mother cell accompanies meiosis and the Chalaza megaspore of a linear three cells develops into 8-nuclealeate.The development of embryo sac is of the Polygonum type.───大孢子母細胞減數(shù)分裂形成三分體即3個大孢子，合點端的大孢子發(fā)育為胚囊，胚囊蓼型。

68 、Successive cytokinesis in the megasporocyte follows meiosis and the megaspore tetrads are linear.───大孢子母細胞減數(shù)分裂形成直線型四分體。

69 、The megaspore mother cell meiosis to form a linear megaspore tetrad.───大孢子母細胞減數(shù)分裂產生直線形大孢子四分體。

70 、The stage in prophase of meiosis during which homologous chromosomes become paired.───偶線期減數(shù)分裂的前期階段，在此期間異體同型的染色體配對

71 、Consisting of a pair of homologous,synapsed chromosomes,as occurs during meiosis; double.───二價染色體的由一對同源，聯(lián)會染色體組成的，如在成熟分裂時出現(xiàn)的；雙的

72 、During this stage in mitosis and the second division of meiosis the chromosomes uncoil and disperse, the nuclear spindle degenerates, nucleoli reappear, and a new nuclear membrane forms.───在有絲分裂的末期或第二次減數(shù)分裂末期，染色體解聚消失，中心的紡錘體解體，核仁重新出現(xiàn)，新核膜形成。

73 、During anaphase I of meiosis pairs of chromatids still connected at their centromere move to the spindle poles.───在減數(shù)分裂后期I中，由于紡錘絲的牽引，使成對的同源染色體各自發(fā)生分離，并分別向兩極移動。

74 、After the meiosis of MMC, abundant calcium precipitates were accumulated in the cytoplasm of early microspores, and then in pollen wall, especially in the part of germ-pores.───在小孢子發(fā)育早期，花藥藥隔部位的絨氈層細胞質中鈣顆粒也明顯增加并特異性地分布在其內切向壁上。

75 、The separation of homologous chromosomes during meiosis.───在減數(shù)分裂過程中同源染色體的分離.

76 、Studies of the mechanism of meiotic recombination indicate that meiosis is an adaptation for repairing DNA.───減數(shù)分裂重組機制的研究表明，減數(shù)分裂是一個為了修復DNA的適應。

77 、Apospory, aposporous The development of a gametophyte directly from a sporophyte without the occurrence of meiosis or spore formation.───不經過減數(shù)分裂形成孢子,而直接形成配子體。

78 、In early prophase of mitosis and later prophase of meiosis, the chromosomes split lengthwise into two identical chromatids held together by the CENTROMERE.───在有絲分裂前期的開始以及減數(shù)分裂前期的結尾，染色體通過著絲點形成兩個完全相同的染色單體。

79 、Prophase The first stage of cell division in meiosis and mitosis.───前期：細胞減數(shù)分裂和有絲分裂的第一個階段。

80 、Pairing of homologous chromosomes (synapsis) commences at one or several points on the chromosome and is clearly seen during PACHYTENE of meiosis I.───同源染色體兩兩成對平行靠攏，這一現(xiàn)象也稱聯(lián)會，聯(lián)會發(fā)生在染色體的一點或多點上，可以在減數(shù)第一次分裂的粗線期觀察到。

81 、Meiosis , which occurs only in the formation of gametes, is a specialized form of cell division.───僅僅發(fā)生在配子形成中的減數(shù)分裂是一種特殊形式的有絲分裂。

有絲分裂、減數(shù)分裂、二分裂產生的子細胞遺傳物質均不改變

遺傳物質其實是遺傳信息的意思。

你認為不變是指其化學組成不變吧？！不能這么理解的。

嚴格來說，遺傳物質是改變的，因為在分裂過程中，有基因突變，有連鎖互換

有絲分裂、減數(shù)分裂、二分裂產生的子細胞遺傳物質均不改變

嚴謹點說 還存有基因突變的情況