著絲染色體 的英文怎麼說
中文拼音 [zhāosīrǎnshǎitǐ]
著絲染色體
英文
attachment chromosome- 著 : 著助詞1. (表示動作的持續) 2. (表示狀態的持續) 3. (用在動詞或表示程度的形容詞後面, 加強命令或囑咐的語氣) 4. (加在某些動詞後面, 使變成介詞)
- 染 : Ⅰ動詞1 (用染料著色)dye 2 (感染) catch [contract] (a disease) 3 (沾染) acquire (a bad hab...
- 色 : 色名詞[口語] (顏色) colour
- 體 : 體構詞成分。
- 染色體 : [生物學] chromosome染色體疾病 chromosomal disorders; 染色體異常 chromosome abnormality
- 染色 : dye; dyeing; colouration; tintage; tinging; dyschroia; colouring; colour; [半] decoration染色不足...
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Each chromosome consists of two chromatids held together by the centromere.
每個染色體由兩個染色單體所組成,它們被一個著絲點聯結在一起。Finding the centromer index depends on finding then centromere and the length of then chromosome
著絲粒指數的求解依賴于著絲粒定位和染色體長度。Following the replication of chromosomes, resultant chromatids remain attached at the centromere
隨著染色體的復制,著絲粒始終連接著形成的兩個染色單體。During anaphase ii the centromeres divide and single chromatids are drawn toward the poles, thus sister chromatids are separated
在減數分裂後期ii ,每條染色體的兩個染色單體隨著著絲點的分裂而彼此分開,由紡錘絲牽向兩極。Chromomere a small beadlike deeply staining structure seen in chromosomes during prophase of mitosis and meiosis
染色粒:在有絲分裂及減數分裂的前期存在於染色體上的小念珠狀的著色深的結構。( 3 ) the chromosomes obtained by air - drying and chromosomes from the silkworm genital gland are similar in shape. but the numbers and the length of the chromosomes are obviously different. the chromosomes obtained from the genital gland have little difference in length, while the chromosomes of bmn cell are different in length very much
但是,在染色體的數目上有顯著的差異。另外,染色體間的長短差別也非常明顯。由家蠶生殖腺得到的減數分裂中期染色體和胚胎得到有絲分裂的中期染色體,其染色體長短差異不明顯,而binn細胞的中期染色體長短非常不一致,差異非常顯著。Cells only the chromatin or chromosomes are heavily stained, the other components are bleached. after the chromosomes are stained by nama - ur, we have observed that the highest order structure of chromosomes is helical ; while the secondary structure is radically folding. the dna fibres with a diameter of 2530 nm have radically folded into chromatid fibres in a diameter of approximately 250 nm
染色體經dna特異染色后,觀察到其最高層次結構是螺旋的,而次級結構存在著放射環結構,即由直徑為2530 nm的dna纖絲放射狀折疊排列成約250 nm左右的染色單體絲染色單體絲進一步螺旋形成中期染色體結構。There are 4 pairs central - region - kinomere chromosomes and 4 pairs subcentral - region - kinomere chromosomes and only one pair telochromosomes in one cell
4對為中部著絲點染色體, 4對為近中部著絲點染色體,只有1對近端部著絲點染色體。In this paper, the genetic diversity of qinghai - lake naked carps was studied for the first time by methods of chromosome karyotype, protein ( isomzy ) electrophoresis and mtdna rflp. the results of chromosome karyotype indicated that : ? the diploid chromosome number of qinghai - lake nakked carp was 2n = 92 that comprised of 18 metacentric chromosomes, 18 submetacentric chromosomes, 16 telocentric chromosomes and 40 acrocentric chromosomes, and the karyotype formula was 18nvh8snvh6st + 40t, nf = 128
染色體核型研究結果表明;青海湖裸鯉染色體總數2n = 92條,由18條中著絲粒染色體、 18條近中著絲粒染色體、 16條近端著絲粒染色體和40條端著絲粒染色體組成,其核型式為: 18m + 18sm + 16st + 40t , nf = 128 。( 2 ) the chromosomes of bmn cells showed the typical characteristics of lepidoterati insects. chromosomes of matephase without apparent centromere are short pole - like and pellet - like
( 2 ) bmn細胞的染色體表現為典型的鱗翅目昆蟲的染色體:中期染色體短桿狀或顆粒狀、無明顯的著絲粒。The first and second longest chromosomes are important in karyotype analysis and most of which are metacentric chromosome and submetacentric chromosome in lilium. hybrids were distinguishable by the existence and position of secondary constriction and arm ratio
百合的第一對和第二對染色體多為中著絲粒和近中著絲粒染色體,可以根據次縊痕有無與位置及臂比鑒定雜種。It is likely that telocentric chromosomes with minute sizes may be ancestral types of the vertebrate chromosomes. 2
從文昌魚染色體的核型看,似乎形態較小的端部著絲粒染色體是脊椎動物染色體的遠祖。The concentration of 0. 0375 % is better than th at of 0. 075 %. the conclusion can be drawn according to the observation of 517 clear metaphases of mitosis that the number of diploid chromosome is 2n = 42 and the karyotype formula is 42t, nf = 42. a special huge chromosome was observed in a part of larval fish
通過對517個清晰的中期分裂相的觀察和統計,最終確定:半滑舌鰨的半滑舌姻的早期胚胎光聰觀察及核型研究染色體眾數zn ? 42 ,臂數nf二42 ,核型為42t ,全部為端部著絲粒染色體。This showed that the diploid chromosome number ( 2n ) of amphioxus b. belcheri tsingtauense was 36. the chromosomes were extremely small, ranging from 1. 4 to 3. 7 um in length. the first pair of the 36 chromosomes of b. belcheri tsingtauense was subtelocentric and the other 17 pairs telocentric. neither metacentric nor submetacentric chromosomes nor satellites were observed
在36條染色體中,除第一對染色體屬亞端部著絲粒染色體( st )外,其餘均為端部著絲粒染色體( t ) ,未見中部著絲粒染色體( m )和亞中部著絲粒染色體( sm )及隨體。Centromere the region of the chromosome that contains the kinetochore, the structure that becomes attached to the nuclear spindle during mitosis and meiosis
著絲粒:染色體上包含著絲點的區域,在細胞有絲分裂和減數分裂期間與紡錘體相整合的一種結構。In order to construct plant artificial chromosome, plasmid vectors have been constructed to integrate necessary elements into both right and left yac arms
為了構建植物人工染色體,我們構建了可以和含有著絲粒序列的yac載體的左臂和右臂進行同源重組的質粒載體。After the processing of chromosome image, using then method of tab, we can finish automatic division of chromosome image and get the single chromosomes. in the automatic processing of chromosome division, we can erase impurity and save chromosomes that we will need to label in the end. area, girth, centromer index are important features in identifying the chromosomes
對染色體圖像進行處理以後,利用標號法實現了染色體圖像的自動分割,得到單條染色體圖像,在染色體的自動分割提取的過程中,可以對雜質實行去除,而保留我們需要用來進行識別的染色體,面積,周長,著絲粒指數是識別染色體的重要特徵。The experiment results indicate this method is good, we select area, girth. centromer index to classify the chromosomes
實驗證明這種方法是有效的,我們提取並選擇染色體的面積,周長,著絲粒指數作為以後分類的依據。We find then location of centromer by the framework which is produced after the calculation of girth, then we can calculate centromer index
我們採用染色體求周長后的骨架來確定染色體著絲粒位置,然後再來進行染色體著絲粒指數的計算。Because of its fully sequenced genome and the most complete, contiguous nucleotide sequence of centromeric dna in plants, arabidopsis was chose as the base to construct plant artificial chromosome. we identified two candidate yac clones, cic8h8 and cic6f6, which are both proved to have the 178 bp arabidopsis centromeric repeat sequences
我們通過pcr和序列分析,選擇了含有擬南芥著絲粒區178bp串連重復序列的yac克隆作為構建人工染色體的基礎,同時也克隆了擬南芥的端粒和ars等序列。分享友人