尽管如此，他说如有必要，这些鱼也可以携带上三染色体。
He says, though, that his fish could also be made triploid if necessary.
三位科学家发现了端粒的工作机理，这种(酉每)可以产生DNA的微小部分，包裹染色体的顶端。
The scientists discovered the workings of telomerase, an enzyme that produces tiny units of DNA that seal off the tips of chromosomes.
三名美国科学家因为发现了能在细胞分裂时防止染色体散裂的“保护帽”而赢得今年诺贝尔医学奖。
The discovery of a "protective cap" that prevents chromosomes from falling apart when cells divide has earned three American researchers this year's Nobel prize in medicine.
人体X染色体的显微扫描照片。 （得到照片研究中心允许而复制） X染色体是Y染色体的三倍大，而且也传递着比其多100倍的基因信息。
The X chromosome is three times the size of the Y chromosome and carries 100 times the genetic information.
今年的诺贝尔奖被授予给了三名美国研究人员，他们发现了机体保护重要的染色体基因的原理。
This year's Nobel prize for medicine goes to the three us researchers who discovered how the body protects the chromosomes housing vital genetic code.
其中超声示胎儿异常组染色体异常检出率（33.33%）明显高于21-三体高风险组（4.54%）、不良孕产史组的检出率（9.09%）（P<0.05）。
The detection rate of the chromosomal abnormality of the abnormal fetus detected by ultrasound (33.33%) was higer than the trisomy 21 high risk group(4.54%) and abnormal delivery group(9.09%)(P<0.05).
研究了1,2,4三氯苯(TCB)对蚕豆幼苗生长、根尖细胞分裂及染色体畸变的影响。
Effects of 1, 2, 4-trichlorobenzene (TCB) stress on seedling growth, cell division and chromosomal aberration frequency of root-tip cells of Vicia faba were studied.
每个染色体小组均由三条同源染色体组成。
Each homologous chromosome group has three homologous chromosomes.
瑞典卡罗林斯卡医学院表示，这三位科学家解决了生物上的一个重大问题：染色体在细胞分裂时怎样避免退化。
The Karolinska Institute in Sweden said the three scientists have solved a major problem in biology: how chromosomes are protected against degradation during cell division.
除了正常染色体对以外，还存在有第二种同源染色体的非整倍体状态，被称为三体性。
An aneuploid state in which a third homologous chromosome is present in addition to the normal autosomal pair is called trisomy.
这会改变其染色体的数目，使每个细胞产生三对染色体，而通常每个细胞只有两对染色体。
This alters their plement of chromosomes, giving them three sets per cell instead of the usual two.
第三部分，采用彗星试验、微核试验和染色体畸变试验检测和评估职业接触铅人群的遗传损伤效应。
Finally, comet assay, micronucleus and chromosomal aberration test were used to study and estimate the genetic damage effect of lead on occupational exposure workers.
以外周血淋巴细胞制备染色体标本，人工复合三倍体鲤染色体数为150，其亲本红鲤、红鲫和散鳞镜鲤的二倍体染色体数均为100。
Chromosome preparations made from leucocyte cultures showed that the artificial multiple triploid carp has a chromosomal number of 150, and all the fore parental forms have 100.
利用空气干燥法对淡水三角涡虫的染色体进行研究。
The chromosomes of Dugesia sp. from various stations were studied by air-drying technique.
控制茸毛色的基因（t）可以定位在新三体的超数染色体上。
The gene controlling pubescence color(t)could be located on the extrachromosome of the new trisomic.
研究进一步证明人工复合三倍体鲤与二倍体亲本的染色体倍性和相对dna含量存在着明显的相关性。
Therefore, we have proved that there is a close correlation between the artificial multiple triploid carp and its diploid parents in both chromosomal Numbers and relative DNA contents.
表明三个特殊类型材料的1 ~ 3条染色体含有黑麦染色体易位片段。
The results indicated that 1-3 chromosomes of the derivatives have the translocated fragments from the chromosome recombination between wheat and rye.
结节性硬化是一种常染色体显性遗传性疾病。过去临床上主要靠病人有癫痫、智力低下和皮脂腺瘤三大体征来诊断。
Tuberous sclerosis (TS) is an exceptional chromosomal inherited disease, This disease was mainly diagnosed by three clinical appearances: epilepsy, intellectual disturbance, and sebaceous adenoma.
结果：经太空诱变后的生物工程细胞染色体畸变率为：环状占10.5%，无着丝断片占36.75%，三射、四射体占13%。
Result: The abnormal chromosome rate of bio-engineering cells muted by outer space were: ring chromosome, 10.5%; acenericfragment, 36.75%; triceneric and fourcentric, 13%.
目的探讨8号染色体三体（8三体）对急性粒单、单核细胞白血病（M4、M5）细胞生物学及临床特征的影响。
Object:To evaluate the prognostic impact of trisomy 8 on cytobiological and clinical features in acute myelomonocytic and monocytic leukemia (M4, M5).
标题七叶一枝花三个不同居群的染色体组型的初步观察。
An observation on karyotypes of three different populations of Paris polyphylla .
而对于多倍体生物，如体细胞中每条染色体具有三个或三个以上的拷贝，二体或双体就是一种非整倍体状况。
For organisms that normally have three or more copies of each chromosome (those that are triploid or above), disomy is an aneuploid chromosome complement.
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.
目前研究发现此病有三种遗传方式：即母源第7号染色体单亲双体、常染色体显性遗传及常染色体隐性遗传。
At present, three modes of inheritance are identified including maternal uniparental disomy for chromosome 7 and autosomal dominant or autosomal recessive inheritance.
结果128例胎儿核型中，9例为18三体综合征，2例为其它染色体异常，染色体异常发现率为8·59%（11/128）。
Results Nine cases of trisomy 18 and 2 cases of other abnormal karyotype were found among the 128 pregnant women (8.59%, 11/128).
它有三种主要类型，本文就其中的染色体遗传病的发病机理及危害作一剖析。
It has three main types, one of which is the chromosome disorder. The paper analyses the cause and effect of the chromosome disorder.
它有三种主要类型，本文就其中的染色体遗传病的发病机理及危害作一剖析。
It has three main types, one of which is the chromosome disorder. The paper analyses the cause and effect of the chromosome disorder.
应用推荐