将上述定位的鸡的20个功能基因的BAC克隆分别与利用胚胎成纤维细胞制备的鸭和鸵鸟的中期染色体杂交。
The above BAC clones of 20 chicken genes were hybridized by FISH with duck and ostrich metaphase chromosomes prepared from embryo fibroblasts.
用一种植物的总基因组dna与近缘或远缘物种的染色体杂交,可以研究植物近缘或远缘物种基因组进化关系。
The comparative analysis of genomic evolution between closely or distantly related species has been analyzed by a genomic DNA cross-hybridized with other species.
黑猩猩有24对染色体,人类有23对,不过这并不能完全阻止两个物种间的杂交。
Chimps have 24 pairs of chromosomes, and humans 23, but this is not an absolute barrier to breeding.
采用外周血淋巴细胞培养及染色体制片技术,对延边黄牛及其利延杂交牛染色体核型和C带进行了研究。
The chromosome caryogram and C-banding of Yanbian cattle and Liyan hybrid cattle were researched by the culture of peripheral hemolymph cell and chromosomal banding technique.
通过粗线期染色体荧光原位杂交技术,将发生易位的第6号和第12号染色体的易位点分别锚定在1个和3个BAC克隆库中。
Transpositional points between chromosome 6 and 12 were anchored in 1 and 3 BAC clone's pool respectively by fluorescence in situ hybridization technology of pachytene chromosomes.
虽然这些物种都是二倍体并且含有相同数量的染色体但是杂交体和亲本间核基因组大小仍不相同。
The nuclear-genome size differences between the hybrids and their parental taxa occur in spite of the fact that all species possess the same number of chromosomes and are diploids.
端粒克隆、着丝粒克隆以及重叠群之间空缺的大小都经过粗线期染色体荧光原位杂交鉴定。
BAC clones corresponding to telomeres, as well as to the centromere position and the gap sizes between contigs, were determined by BAC-pachytene chromosome fluorescence in situ hybridization (FISH).
研究了染色体易位情况下,多基因控制的数量性状杂交及回交世代的方差组成。
The variance component of cross and backcross generations of quantitative character controlled by multigenes is studied on condition of chromosome translocation.
目的探讨用多色荧光原位杂交(MFISH)技术检测的易位和双着丝粒染色体畸变的差异。
Objective To explore the differences between radiation-induced translocation and dicentric chromosome aberrations detected by multicolor fluorescence in situ hybridization (M-FISH) method.
不同抗源之间抗病基因的数目和所涉及的染色体也不同,彼此可以杂交重组。
Both Numbers and chromosomal locations of resistant genes are different, which indicates that the diverse resistant genes can be recombined by intervarietal cross.
为了配合育种工作,作者采用常规染色体制备方法,对96头甘肃白猪及其杂交猪的染色体作了研究。
In order to cooperate the breeding work, the chromosomes of 96 Gansu white pigs was studied by using routine method of chromosomal preparation.
结论与传统的染色体显带技术相比,荧光原位杂交技术具有高效、灵敏、可靠的特点,可为临床提供良好的辅助诊断。
Conclusions Compared with the conventional chromosome banding technique, FISH has characteristics of high sensitivity and accuracy, and provides a good assist method for diagnosis.
目的:通过远缘杂交的方法,可将小麦远缘种、属的染色体片段或基因导入到普通小麦中,使后者获得远缘种、属的某些优良性状。
Object: By distant hybridization we can transmit the chromosome's fragments or genes from the related species of wheat into t.
着丝粒和端粒DNA探针多色荧光原位杂交是一种较为精确的分析微核染色体组成的方法。
Multicolor FISH with centormeric and telomeric DNA probes was a precise technique for analyzing chromosomal composition of MN.
对玉米两个自交系京7和华5及其杂交F_1的染色体g -带带型进行了比较研究。
Chromosome G-banding patterns of two inbred lines Jing 7 and Hua 5 and their hy-bred F_1 are studied comparatively.
目前我们采用荧光原位杂交(FISH)分析法对胰腺肿块细针穿刺活检(FNA)样本行染色体异常检测还没有深入研究。
Detection of chromosomal abnormalities by fluorescence in situ hybridization (FISH) analysis has not been well-studied in FNA samples of pancreatic masses.
经基因组原位杂交鉴定,BC1F4代中有披碱草的染色体组或染色体片段。
The genomic in situ hybridization showed that there are chromosomes or chromosome fragments of Elymus dahuricus in BC1F4.
小麦与六倍体燕麦杂交其F1杂种植株体细胞染色体不完全排除,表明可以将燕麦优良基因导入小麦,以拓宽小麦的种质资源。
The somatic cell chromosomes in F1 hybrid plants indicated that good genes of oats can be introduced into the bread wheat to enrich the germ plasm resources of the wheat.
目的探讨一种以胎盘绒毛取样进行荧光原位杂交(FISH)快速诊断染色体数目的方法。
Objective To study the numerical abnormality of chromosomes in lung cancer by dual-color fluorescence in situ hybridization(FISH).
抗病易位系Y96060可通过细胞遗传分析,染色体C分带和原位杂交技术,RAPD技术得到确认。
Said disease-resisting translocation line Y96060 can be confirmed by means of cytogenetic analysis, chromosome C zoning and in situ hybridization and RAPD technique.
粗线期染色体荧光原位杂交结果表明,大多数染色体的末端都有端粒串联重复,但信号的强度在不同染色体上是不同的。
Pachytene FISH results showed that most of chromosome ends possess the telomere tandem repeats, but the signals on different chromosomes were not the same in intensity.
染色体原位杂交技术是现代生物技术的重要组成部分。
The chromosome in situ hybridization is an important part in modern biotechnology.
玉米的杂交不亲和性是受单基因控制的,为配子体控制型,该基因位于玉米的第四染色体上。
Cross incompatibility in Zea mays is controlled gametophytically by a single locus. The gametophyte gene is located on chromosome 4 in maize.
对所得阳性杂交瘤细胞作染色体分析并对单克隆抗体进行特性分析。
The chromosome of the positive hybridoma and the character of the mAb were analysed.
选用分布于水稻12条染色体上的40对SSR引物对6个杂交水稻组合及其亲本的幼苗进行了SSR等位基因多态性分析。
SSR allele polymorphism of 6 hybrids and their parents was studied by analysing 40 SSR loci distributing on 12 chromosomes in rice.
在3号,6号染色体双三体上共有6个杂交位点。
In the double trisomic 3, 6, six hybridization sites were detected.
利用PCR和GISH原位杂交相结合的方法可提高检测外源染色体小片段的准确性和选择效率。
In the progeny of monosomic addition lines a high frequency of wheat-alien species translocation with various segments of chromosomes could be found by application of both PCR and GISH technique.
利用PCR和GISH原位杂交相结合的方法可提高检测外源染色体小片段的准确性和选择效率。
In the progeny of monosomic addition lines a high frequency of wheat-alien species translocation with various segments of chromosomes could be found by application of both PCR and GISH technique.
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