Those mutations happen all the time.
这样的突变时刻都在发生。
However, most mutations are deleterious.
然而，大多数突变是有害的。
They look at mutations as kind of a random event.
他们认为突变是一种随机的事件。
But white tigers are rare genetic mutations, not a different species.
但白虎仅仅是一种罕见的遗传变异，而不是一个不同的品种。
The mutations were found mostly in women.
这类基因变异通常发生在女性身上。
Gene mutations are alterations in the DNA code.
基因突变是指DNA密码的改变。
The target mutations were identified by sequencing.
序列测定证实目标突变存在。
Both of the mutations were not reported previously.
这两个突变先前均未见报道。
Things like unusual eye or hair colors are mutations.
比如异常的眼睛或头发颜色都属于变异。
However, gene mutations disrupt a gene's normal function.
然而，基因突变破坏基因的正常功能。
Among all these nucleotides, they found only four mutations.
在所有测序的这些核苷酸中，他们仅发现了4个突变。
Those mutations had little effect on how the receptor grabbed hormones.
这些突变对受体如何结合激素没有影响。
For example, a butterfly may produce offspring with new mutations.
例如，一只蝴蝶可能产生有新突变的后代。
Background - Rare mutations in the mitochondrial genome may cause disease.
研究背景——线粒体基因组的稀有变异可引发疾病。
There they were: signal noise, mutations, executive function, self-organization.
看看这些术语：信号噪声、突变、执行功能、自我组织。
Now, the causes of cancer are complex. Genetic mutations are only one factor.
现在，导致癌症的原因很复杂，基因突变只是其中的一个因素。
Most of these mutations are known as "passengers" and cause damage but not cancer.
这些突变基因中的大部分被认为是“乘客”，它们虽会造成破坏，却并不直接致癌。
But the prevailing view has long been that cancer is the result of genetic mutations.
但是盛行的观点一直认为癌症是基因突变的结果。
Sure enough, the nine family members with no fingerprints had mutations in that gene.
可以确定，这个家族中9个无指纹的人该基因发生了变异。
The identical twins, obviously, have the same genome and thus the same mutations.
很明显，同卵双生胎具有相同的基因，因此它们的变异也相同。
Viruses can also cause genetic mutations when they integrate themselves into human DNA.
病毒整合进人类DNA时也会导致基因突变。
Two of the mutations involved are also known to cause a rare disease called mucolipidosis.
涉及到的两种基因突变也能引起一种罕见的疾病——粘脂糖症。
However, these minor "mutations" cannot change what the virus does, only what it looks like.
尽管如此，这些小型的“突变”并不能改变病毒的行为，而仅仅是它的外表。
This effect was found to be dependent on the underlying gene mutations in each patient.
这种效应被认为依赖于每个病人根本的基因突变。
The four-year study involved about two thousand five hundred women with the genetic mutations.
有2500名基因突变的女性参与了该项为期四年的研究。
Objective to study the possible relationship between mitochondrial DNA point mutations and hereditary ataxia (HA).
目的研究线粒体dna点突变与遗传性共济失调(HA)的关系。
基因突变以两种方式进行。
Mutations can also lead directly to diseases like cancer.
突变还能够直接导致疾病如癌症的发生。
Mutations can also lead directly to diseases like cancer.
突变还能够直接导致疾病如癌症的发生。
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