?meiosis

meiosis發(fā)音

[mai'əusis]

英：　　美：

meiosis中文意思翻譯

細胞核減數分裂, 間接肯定法

meiosis詞形變化

副詞: meiotically | 形容詞: meiotic | 名詞復數: meioses |

meiosis常見(jiàn)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(gè)一套染色體，通常是減數分裂，或產(chǎn)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(guò)分裂產(chǎn)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.───在減數分裂時(shí)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(méi)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最顯著(zhù),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.───大孢子母細胞減數分裂后，雌花雌蕊繼續發(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.───前期階減數分裂的第一個(gè)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.───減數分裂前期的粗線(xiàn)期中，四個(gè)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)現的DAZ家族的新成員,是人類(lèi)精子發(fā)生過(guò)程中減數分裂的關(guān)鍵調控因子.

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

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(jīng)歷減數分裂形成單倍體細胞再產(chǎn)生新的植物體。

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

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(shí)型胞質(zhì)分裂和2-細胞型花粉證實(shí)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(jià)染色體：在減數分裂中配對時(shí)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(diǎn)端的二分體細胞中細胞器豐富，線(xiàn)粒體和質(zhì)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，大孢子母細胞減數分裂正常，四分體直線(xiàn)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.───減數分裂是一種形成只有半數染色體數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.───在減數分裂期間，直到分裂后期II兩條染色單體才隨著(zhù)著(zhù)絲點(diǎn)的分裂而彼此分開(kāi)。

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

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

21 、On the other hand, remarkable progress has been made in the research of meiosis.───另一方面,減數分裂過(guò)程的研究已經(jīng)取得很大進(jìn)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(guò)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(guò)分裂產(chǎn)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.───大多數有一個(gè)核仁,少數有兩個(gè)或三個(gè)核仁.在減數分裂粗線(xiàn)期至終變期的細胞核內,有一個(gè)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分裂過(guò)程中染色單體分別朝相反的兩極運動(dòng)。

27 、Meiosis comprises a pair of specialized nuclear divisions that produce haploid germ cells.───減數分裂由兩次產(chǎn)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(méi)有進(jìn)入減數分裂，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次減數分裂的后期時(shí)接受處理，可使部分受精卵的兩個(gè)雌性原核和一個(gè)雄性原核在融合和分離過(guò)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.───大蒜品系間在減數分裂過(guò)程中染色體的聯(lián)會(huì )行為存在差異，表現有四價(jià)體聯(lián)會(huì )，六價(jià)體聯(lián)會(huì )和八價(jià)體聯(lián)會(huì )等類(lèi)型。

31 、Biology Consisting of a pair of homologous, synapsed chromosomes, as occurs during meiosis; double.───二價(jià)染色體的：由一對同源，聯(lián)會(huì )染色體組成的，如在成熟分裂時(shí)出現的；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分裂阻滯和精子生成障礙,從而導致無(wú)精子癥并產(chǎn)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(dòng)物的精子發(fā)生是一個(gè)復雜的細胞分化過(guò)程，可分為有絲分裂、減數分裂和精子形成三個(gè)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，主要表現圓敗型不育。

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

36 、A pair of homologous, synapsed chromosomes associated together during meiosis.───二價(jià)染色體在成熟分裂時(shí)聯(lián)在一起的一對同源、聯(lián)會(huì )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(méi)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(huì )發(fā)生減數分裂，產(chǎn)生單倍體的配子（染色體數為正常的一半）。

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(guò)程中絨氈層發(fā)育既表現過(guò)早解體，又表現肥大生長(cháng)、延遲退化的現象。同一枚花藥中4個(gè)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.───在有絲分裂及減數分裂時(shí)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)生在第一次減數分裂后期，染色體交叉向二價(jià)體染色體臂的末端移動(dòng)的過(guò)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(chēng)型,偶為直線(xiàn)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(guò)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(jià)的屬于在第一時(shí)期成熟分裂時(shí)三個(gè)或者更多的同源染色體的聯(lián)合的、或與之有關(guān)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(xiàn)期：在減數第一次分裂的前期中的靠后的一個(gè)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由孢子母細胞減數分裂產(chǎn)生的一組四個(gè)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(jìn)入“成熟”過(guò)程，所附的作為精子標志的染色體數量將在此過(guò)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(lèi)型的四分孢子群。

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

51 、So, meiosis is the process by which a cell divides and splits up the number of chromosomes.─── 減數*是細胞* 和染色體數減半的過(guò)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(cháng)發(fā)育進(jìn)入減數分裂；

53 、Organells including endoplasmic reticulum, mitochondria, plastids, dictyosome and sphaeroplassts are rich in microspore at meiosis and tetrad stages.───減數分裂和四分體時(shí)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(zhì)網(wǎng)、線(xiàn)粒體、質(zhì)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.───減數分裂：減數分裂中的第一次分裂，包括分裂前期，中期I和后期I，形成單倍數目的染色體在每一個(gè)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(shí)期，質(zhì)體和線(xiàn)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.───大孢子母細胞減數分裂形成線(xiàn)形排列的4個(gè)大孢子，合點(diǎn)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(jīng)過(guò)減數分裂，形成功能大孢子，再經(jīng)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分裂期開(kāi)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?lái)自在減數分裂過(guò)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在減數分裂過(guò)程中產(chǎn)生了不完全減數的配子，并且不完全減數可能主要是發(fā)生在減數第二分裂。

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(jīng)減數分裂形成線(xiàn)形排列的4個(gè)大孢子，合點(diǎn)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(shí)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(jià)染色體的由一對同源，聯(lián)會(huì )染色體組成的，如在成熟分裂時(shí)出現的；

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

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

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

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.───大孢子母細胞減數分裂形成三分體即3個(gè)大孢子，合點(diǎn)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.───大孢子母細胞減數分裂形成直線(xiàn)型四分體。

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

70 、The stage in prophase of meiosis during which homologous chromosomes become paired.───偶線(xiàn)期減數分裂的前期階段，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(jià)染色體的由一對同源，聯(lián)會(huì )染色體組成的，如在成熟分裂時(shí)出現的；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，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(dòng)。

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(zhì)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.───在減數分裂過(guò)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.───減數分裂重組機制的研究表明，減數分裂是一個(gè)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(jīng)過(guò)減數分裂形成孢子,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(kāi)始以及減數分裂前期的結尾，染色體通過(guò)著(zhù)絲點(diǎn)形成兩個(gè)完全相同的染色單體。

79 、Prophase The first stage of cell division in meiosis and mitosis.───前期：細胞減數分裂和有絲分裂的第一個(gè)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，這一現象也稱(chēng)聯(lián)會(huì )，聯(lián)會(huì )發(fā)生在染色體的一點(diǎn)或多點(diǎn)上，可以在減數第一次分裂的粗線(xiàn)期觀(guān)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分裂是一種特殊形式的有絲分裂。

有絲分裂、減數分裂、二分裂產(chǎn)生的子細胞遺傳物質(zhì)均不改變

遺傳物質(zhì)其實(shí)是遺傳信息的意思。

你認為不變是指其化學(xué)組成不變吧？！不能這么理解的。

嚴格來(lái)說(shuō)，遺傳物質(zhì)是改變的，因為在分裂過(guò)程中，有基因突變，有連鎖互換

有絲分裂、減數分裂、二分裂產(chǎn)生的子細胞遺傳物質(zhì)均不改變

嚴謹點(diǎn)說(shuō) 還存有基因突變的情況