chromosome number 中文意思是什麼

chromosome number 解釋
染色體數
  • chromosome : n. 【生物學】染色體。
  • number : n 1 數;數字;〈pl 〉算術。2 (汽車等的)號碼;第…,第…卷,第…期〈通常略作 No (復數 Nos ),用於...
  1. The karyotype of caragana microphylla lam can be espressed as 2n = 16 = 16m ( 4sat ) ; the chromosome number of c. intermedia kuang et h. c. fu is 2n = 18. the karyotype of c. intermedia kuang et h. c. fu can be espressed as 2n = 18 = 16m ( 4sat ) + 2m ; the chromosome number of c. arborescens ( amm. ) lam is 2n = 20. the karyotype of c. arborescens ( amm. ) lam can be espressed as 2n = 20 = 20m ( 4sat ) ; from the conclusion one and two, we can guess : the c. intermedia kuang et h. c. fu ' may be the hybrid or intermediary genve between caragana microphlla lam and c. arborescens ( amm ) lam, also may be have different haploid chromosome number

    ( 2 )可得出三種染色體核型:小葉錦雞兒的染色體數為2n = 16 ,其核型公式為2n = 16 = 16m ( 4sat ) ;中間錦雞兒的染色體數為2n = 18 ,其核型公式為2n = 18 = 16m ( 4sat ) + 2m ;樹錦雞兒的染色體數為2n = 20 ,其核型公式為2n = 20 = 20m ( 4sat ) ,結合形態學所得結論,可推測:中間錦雞兒為小葉錦雞兒和樹錦雞兒的中間類型或雜交種,也可能是具有遞增染色體基數的不同種。
  2. The chromosome number and analysis of karyotype of antirrhinum manjus l

    金魚草染色體數目及核型分析
  3. The same phenomenon was observed in interspecific hybridization between chlamys farreri and chlamys nobilis. the karyotypes of adult hybrids and their parents were analyzed and compared. the chlamys nobilis ' s diploid chromosome number is 2n = 32, karyotype consists of 6m + 26t, nf = 38

    對該雜交組合的親本華貴櫛孔扇貝的染色體核型分析表明,華貴櫛孔扇貝雜交扇貝的細胞遺傳學研究共有zn = 32條染色體,核型公式為2n = 32 = 6m + 26t ,染色體臂數nf = 38 。
  4. The chromosome number and karyotype of vicia amoena

    山野豌豆的染色體數目及核型分析
  5. Aneuploidy the condition, resulting from nondisjunction of homologous chromosomes at meiosis, in which one or more chromosomes are missing from or added to the normal somatic chromosome number

    非整倍性:在減數分裂的過程中同源染色體不分離而造成的一條或多條染色體的缺失或增加。
  6. 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 。
  7. 2. the gynogenesis of allotetraploid hybrids without the treatment to double the chromosome number, the diploid eggs produced by the females of tetraploid hybrids of red crucian carpx common carp were able to develop to living diploid fish after subjecting to activation of the uv - irradiated sperm

    人工誘導異源四倍體鯽鯉的雌核發育異源四倍體鯽鯉能產生二倍體卵子,用uv處理鏡鯉的精子,不進行染色體的加倍處理,能獲得二倍體雌核發育魚,通過冷休克對「受精卵」進行處理,仍然獲得了二倍體雌核發育魚。
  8. Euploidy the normal state in which an organism ' s chromosome number is an exact multiple of the haploid number characteristic of the species

    整倍性:正常狀態下,生物體染色體數是此種生物單倍體數目整數倍的現象被稱為整倍性。
  9. Their flowers and fruits were removed in this experiment to enhance them to take branch roots on the stems, and then the branch roots were used as materials. five mitosis metaphase cells, with their chromosomes well scattered, were counted. chromosome number of hup is 2x = 24, and its karyotype formula is 2n = 2x = 24 = 8m + 12sm + 4st, being to " 3b " of stebbins

    本實驗採取去其花、果實,促其莖節上長側根的辦法,以其側根為實驗材料,統計了5個分散較好的有絲分裂中期細胞,其染色體數目為2x = 24 ,核型公式為2n = 2x = 24 = 8m + 12sm + 4st ,核型類型為3b型。
  10. 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。
  11. Abstract : some problems related to “ variation of chromosome number ” in some teaching materials of genetics are presented in this article. these problems are involved in some conceptions such as haploid, chromosome set and aneuploid that are defined unclearly and confusedly in these books

    摘要指出了高校有關遺傳學教材「染色體數目變異」一節中,部分概念如單倍體、染色體組、非整倍體等存在的概念表述不清、前後矛盾等問題,並提出了相應的修改意見。
  12. Most plants can pollinate others only if the recipients and the donors have certain features in common such as the same chromosome number life cycle or preferred habitat

    大多數植物要相互授粉,彼此之間必須有些共通之處,例如相同的染色體數目相同的生命周期或適合的棲地。
  13. With compared to other species of schizothoracinae fishes, the diploid chromosome number of qinghai - lake nakked carp was equal to schizothorax waltoni, s. o ' connori, oxygymnocypris stewarti, schizoygopsis pylzovi and chuanchia labioza. this showed that these schizothoracinae fishes which diploid chromosome number were 92 were likely to have experienced similar ecological environment as they involved into special qinghai - tibten plateau - adaptive species gradually

    由此反映出具有92條染色體的裂腹魚在逐漸演化成適應于高原生態環境的特殊類群時,可能經受過相同或相近的生態處境;與大多數裂腹魚一樣,青海湖裸鯉也可能是二倍化了的多倍體;青海湖裸鯉可能是某些原始的?類通過演化和自然選擇,逐漸演化成適應于高原生態環境的特殊類群。
  14. Cytological genetic analysis revealed that the chromosome number of gynogenetic grass carp is 48 and the karyotype is 18m + 24sm + 6st, fundamental arm number ( nf ) is 90, just as those of the common grass carp

    此外,對雌核發育草魚細胞遺傳學分析證實所得雌核發育草魚的染色體數目為48條,其核型公式為18m + 24sln + 6st ;臂數為哪習o 。
  15. Upon the optimization of metaphase chromosome preparation from scallop, analysis and comparison on chromosome number and karyotypes were made between the hybrids and their parents

    首先,針對扇貝生物的染色體核型研究,對扇貝染色體制備的條件進行了優化。
  16. For many species, chromosome number is a useful taxonomic character

    對許多物種來說,染色體數目是重要的分類學特徵。
  17. Polyploidy is far more common in plants than in animals and very high chromosome number may be found ; for example in octaploids and decaploids ( containing eight and ten times the haploid chromosome number )

    多倍體現象在植物中比在動物中更為普遍,且染色體組數量較大,如八倍體和十倍體(即含有八倍或十倍的單倍染色體數目) 。
  18. Chromosome number also gives an indication of polyploidy, where numbers vary by exact multiples between related species

    當多倍性現象發生時,物種的染色體數目是原來的整數倍。
  19. 1. chromosome number ( 2n ) and fundamental number ( fn ) the chromosome number and karyotype of amphioxus branchiostoma belcheri tsingtauense were studied using embryonic cells of the animal

    染色體數目( 2n )和臂數( fn )用青島文昌魚的胚胎細胞作材料,對其染色體數目和核型進行研究。
  20. Chromosomal anomalies - - defects in chromosome number and structure - can also cause genetic diseases

    多基因影響的非正常反應來自於很多基因組的混合影響。
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