The Chromosome is now losing important genetic information and is no longer functional.
染色体现在缺少重要的遗传信息,不再具有功能。
Every time the Chromosome divides—every time one cell divides into two—pieces of the ends of the Chromosome, the telomere, get broken off.
当每次染色体分裂时——即当每次一个细胞分裂成两个时——染色体的尾部,也就是端区,就会发生断裂。
Anyway, if we examine these ends of these coils of DNA, we will find a sequence of DNA at each end of every human Chromosome, called a telomere.
无论如何,如果我们检查这些螺旋状DNA的末端,我们会发现每条人类染色体的末端都有一个被称作“端粒”的 DNA序列。
Most cells in your body have two copies of every chromosome and, therefore, two copies of every gene: one from your mother and one from your father.
你体内的大多数细胞每条染色体都有两份拷贝,因此,每个基因也都有两份拷贝:一份来自你的母亲,一份来自你的父亲。
Look at this rough drawing of one of them, one Chromosome about to divide into two.
看一下其中一条的草图,一条将要分裂成两条的染色体。
Abnormality of chromosome behavior occurs from premeiotic mitosis until various stages in meiosis.
从减数分裂前有丝分裂到减数分裂的各个阶段,染色体行为都会发生异常。
The results suggested that obvious difference of chromosome number appeared among theseAlnus species.
本次研究结果表明桤木属物种间染色体数目有明显的差异。
Centromere is the primary constriction on the chromosome, a region at which the sister chromatids are held together.
着丝点是染色体的主缢痕,在这个地方姐妹染色单体连在一起。
Chromosome 1 is the largest and chromosome 22 the smallest.
1号染色体最大,22号染色体最小。
They suggest that genes on the X chromosome play a role in autism.
他们说x染色体的基因在自闭症中起着作用。
One in five cell-lines mutated a particular region of chromosome 20.
1/5的培养细胞在20号染色体上的特定区域发生突变。
And a gene called KCNJ6, located on chromosome 21, is known to make GIRKs.
而叫做KCNJ6的基因,被发现在染色体21上,已知会产生GIRKs。
In a few cases, women may have two distinct green cones on either X chromosome.
在少数情况下,妇女也可能有两个X染色体上不同的绿色视锥。
Men may have an extra X chromosome or two on top of their normal XY combination.
男人可能有除了他们的正常的XY组合以外还有额外的1个或2个X染色体。
The Y chromosome makes its owner male because it carries the male-determining gene.
Y染色体让携带者之所以成为男性,是因为它携带了雄性决定基因。
It turns out it is much easier to recognize a fused chromosome than you might think.
事实上识别一条融合染色体要比你想象的容易得多。
Chromosome 1 is the biggest and contains, per chromosome, the greatest number of genes.
1号染色体最大,与其他染色体相比来说,含有最大数量的基因。
A SNP is a point on a chromosome where DNA routinely varies from one person to another.
SNP是通常染色体上DNA因人而异的一个点。
Remember, males will show symptoms of the disease if their only X chromosome is defective.
要记住的是,如果男性唯一的X染色体抵御疾病,就会表现出疾病的症状。
In addition to the MHC, this region on chromosome 6 also contains a cluster of histone genes.
除了MHC外,6号染色体上的该区域也包含一组组蛋白基因。
Men who carry the faulty genes can only pass them on through their X chromosome to their daughters.
这些男子自身携带的异常基因,只能通过传给自己女儿的x染色体继续传递下去。
Most interesting was what the scientists discovered about the X chromosome in humans and chimpanzees.
最有趣的要数科学家们在人类和黑猩猩X染色体上的发现。
Fertility clinics have long sought a way to check eggs or embryos for major chromosome abnormalities.
生育专科经过了长期的探索,找到一种途径来检测受精卵或者胚胎以找出主要的异常染色体。
Kosak next plans to study chromosome topography in human stem cells as they become functional tissue.
Kosak下一步目标是研究人干细胞变成有功能组织时的染色体拓扑学。
The X chromosome is three times the size of the Y chromosome and carries 100 times the genetic information.
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。
So far, more than 20 babies have been born using the screening programme, which checks for chromosome abnormalities.
到目前为止,通过筛选方法出生的婴儿已有超过20个,这种方法可以检验出染色体异常。
This is not true, as the gender of the baby will depend on the father and the chromosome that comes through from him.
这是不正确的,因为婴儿的性别是由父亲和来自父亲的染色体决定的。
We start with these fragments, and then we have a homologous recombination system that reassembles those into a chromosome.
我们以这些片段开始,然后通过同源重组将其组合到染色体中。
According to a study published in the journal Nature, the genes in question are a group of 28 that form part of chromosome 16.
根据一项发表在《自然》杂志的研究,这类“瘦身”基因由人类第16号染色体上的28个基因组成。
According to a study published in the journal Nature, the genes in question are a group of 28 that form part of chromosome 16.
根据一项发表在《自然》杂志的研究,这类“瘦身”基因由人类第16号染色体上的28个基因组成。
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