1952年，阿尔弗雷德·赫尔希和玛莎·蔡斯的“沃林混合实验”证实了DNA是遗传物质。
In 1952, the "Waring blender experiments" of Alfred Hershey and Martha Chase confirmed DNA as the genetic material.
染色体是遗传物质的载体。
染色体是遗传物质的载体，是细胞中最重要的结构。
The chromosome is the most important construction in the cell, which is the carrier of germplasm.
发生在流感病毒上的变化，可能源于某种快速变异，也可能是遗传物质缓慢漂移的最终结果。
Changes to influenza viruses can happen as a result of quick mutations or as the end result of a slower drift in genetic material.
细胞核的功能：细胞核是真核细胞中最大的细胞器，也是遗传物质储存、复制和转录的场所。
Functional aspects of nuclear: : It is the largest organelle in the cell and the place for genetic storage, replication and transcription.
生物化学家将这套系统称之为中心法则(central dogma)：以长链核酸聚合物形式存在的DNA是遗传物质，它储存着每种蛋白质设计的数据记录。
Biochemists call it the central dogma: Genetic material, in the form of a long nucleic acid polymer called DNA, stores a digital record of every protein's design.
种子有一层外壳，包裹着新植物的遗传物质，外壳内部是集中的营养供应。
The seed has an outer coating that surrounds the genetic material of the new plant, and inside this covering is a concentrated supply of nutrients.
其目的是扭转树种数量下降的趋势，或至少保存所有树种的“遗传物质”。
The aim is to reverse the decline in the number of tree species or at least to preserve the "genetic material" of all of them.
在实际的融合过程中，由两个物种的遗传物质在概念上是可交融的，染色体的一半来自父母一方，一半来自另一方。
In a true hybrid, the genetic material from the two species is mingled at conception, with half the chromosomes coming from one parent and half from the other.
不幸的是变异发生了，这意味着我们寻找的病毒跟流通的其他病毒会改变遗传物质，这可以发生在人类、猪和鸟类上。
And this means that the viruses that we're seeing can exchange genetic material with other viruses that are circulating. This can happen in humans, in pigs, in birds.
胎盘和覆盖它的组织（称作绒毛膜）跟你的身体是同一种遗传物质组成的，它们可以提供重要的关于先天缺陷的信息。
The placenta and tissue covering it ( called chorionic villi) are made up of the same genetic material as your baby and can provide important information about birth defects.
染色体是通过缠绕蛋白质而被包装、压缩而成的遗传物质或DNA长链。
Chromosomes are long strands of genetic material or DNA that have been packaged and compressed by wrapping around proteins.
无论是人、鸟还是猪，作为宿主都能为流感病毒提供接触、交换遗传物质和形成新病毒的场所。
The host, whether it is a person, bird, or pig, provides a place for influenzas to make contact, exchange genetic material, and form new viruses.
然后，有些人对睡眠不足有很强的抗拒能力，这可能是个体间遗传物质的不同引起的。
However, some individuals have a trait-like resistance to sleep loss that appears to be rooted in genetic differences.
在遗传物质的家族中，核糖核酸一直以来被认为是脱氧核糖核酸跟班的表弟。
In the family of genetic material, RNA has long been the poor cousin of DNA.
逆转录病毒的遗传物质是RNA，一种类似但又区别于DNA的分子。
The hereditary material of a retrovirus is a molecule called RNA, which is similar to, but distinct from, DNA.
他说端粒的工作对理解遗传物质如何被复制和储存是很重要的。
He says the work of telomeres is important to the understanding of how genetic material is copied and saved.
染色体作为主要的遗传物质DNA载体，研究它的结构和功能是细胞遗传学必不可少的重要环节。
It is an important process of cytogenetics to study the structures and functions of chromosome, the main carrier of genetic material DNA.
研究人员们观察了这些女性细胞内的遗传物质，尤其是她们端粒的长度。
The researchers looked at the genetic material inside the women's cells, specifically the length of their telomeres.
DNA是最重要的遗传物质，因此，DNA的提取方法和技术是生物化学及分子生物学最基本的技术，也是生物工程最常用的技术。
DNA is the most important genetic material. So the method and technique of DNA extracting is the basic method for biochemistry, molecular biology and recombinant DNA technology.
DNA是生物体主要的遗传物质，有关DNA的研究是揭示生物遗传奥秘的基础。
DNA is the main hereditary substance of biological object. The study on DNA is the basis of exposing biological heredity secrets.
基因治疗是指改变细胞遗传物质为基础的医学治疗。
Gene therapy is a medical intervention based on modification of genetic materials in living cells.
基因组是一种生物遗传物质所有序列，包括染色体和一些细胞器的DNA序列。
The genome is the complete set of sequences in the genetic material of an organism. It includes the sequence of each chromosome plus any DNA in organelles.
染色体是生物遗传物质的载体。
在细胞(染色体)水平上，生物的性状是受它们所含的遗传物质的控制。
On the cell (chromosome) level, organism character is controlled by the hereditary material they contained.
在细胞(染色体)水平上，生物的性状是受它们所含的遗传物质的控制。
On the cell (chromosome) level, organism character is controlled by the hereditary material they contained.
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