例如，因为突变的基因可以提高铁的吸收效率，所以遗传性血色素沉着病突变可以保护带菌者不缺铁。
For example, the hereditary hemochromatosis mutation protects carriers from iron-deficiency because the mutated gene allows increased efficiency of iron absorption.
广义上讲，性状遗传性衡量的是群体成员间的差异在多大程度上可以用基因差异解释。
In broad terms, the heritability of a trait measures the extent to which differences among members of a population can be explained by differences in their genetics.
人们越来越清楚的认识到，性格和才智，至少部分是具有遗传性的。所以假设乐观与悲观的倾向在某种程度上通过基因传递着。
That personality, along with intelligence, is at least partly heritable is becoming increasingly clear; so, presumably, the tendency to be happy or miserable is, to some extent, passed on through DNA.
血红蛋白疾患是遗传性血液病，由通常健康的父母所遗传的血红蛋白突变基因所导致。
Haemoglobin disorders are genetic blood diseases due to inheritance of mutant haemoglobin genes from both, generally healthy, parents.
脆性X综合征，一个X染色体上的基因突变，是遗传性智力障碍最常见的来源，每4000名男孩和每6000名女孩中就有一名儿童患有该症。
Fragile X syndrome, a single genetic mutation on the X chromosome, is the most common source of inherited mental impairment, affecting one in every 4, 000 boys and one in every 6, 000 girls.
脆性X综合征，一个X染色体上的基因突变，是遗传性智力障碍最常见的来源，每4000名男孩和每6000名女孩中就有一名儿童患有该症。
Fragile X syndrome, a single genetic mutation on the X chromosome, is the most common source of inherited mental impairment, affecting one in every 4,000 boys and one in every 6,000 girls.
1990年，患有遗传性语言障碍(verbal dyspraxia)的一家人引起了基因学者的注意。
In 1990, a family with an inherited speech disorder known as verbal dyspraxia drew the attention of genetics researchers.
对近三千人的研究显示，约有38%的人带有遗传性基因变体，与没有这一基因序列的人相比，他们的生物年龄要老三到四岁。
In a study of nearly 3, 000 people, around 38% inherited one copy of the gene variant and were biologically three to four years older than those who did not carry the sequence.
此前的基因扫描方法已经揭示有关遗传性心脏病风险的性质的线索。
Previous gene-scanning approaches have turned up hints about the nature of inherited heart disease risk.
此外，少数基因遗传性的帕病病人在一些控制线粒体功能的关键基因上发生了基因突变。
Furthermore, some patients with a rare, genetically inherited form of Parkinson's disease carry mutations in key genes that regulate mitochondrial function.
只有一小部分的乳腺癌是由遗传性基因突变造成的。基因brca1有缺陷的人平均患上乳腺癌的几率是65%。
Only a fraction of breast cancers result from an inherited gene mutation. Those with a defect in BRCA1 have a 65 percent risk of getting it, on average.
该病是一种遗传性的视网膜退化疾病，由于一个称为RPE65的基因异常，导致视觉进行性退化。
This disease causes progressive deterioration in vision, due to an abnormality in a particular gene called RPE65.
遗传性LQTS致病基因的突变也与很多普通药物诱导的LQTS相关。
Mutations in genes for inherited LQTS are also associated with much more common drug-induced LQTS.
农民正在尝试生产转基因家畜，但不是很有效，原因是像上面说的那样，遗传性改变胚胎的能力极小。
Farmers are attempting to produce transgenic livestock already but not efficiently due to the minimal ability to alter embryos genetically as stated above.
以及运用遗传学的方法分析蛋白质的功能、基因的调控与遗传性的疾病。
Use of genetic methods to analyze protein function, gene regulation and inherited disease.
简要介绍了遗传性耳聋的分类以及利用致病基因特点和家系信息进行概率分析的方法。
Presented in this paper are classification of hereditary hearing impairment and methods to perform probability analysis using features of pathogenic genes and information of pedigree.
与其它13个民族进行聚类分析结果显示，遗传性状的基因频率分布具有一定的地域性。
The result of cluster analyses with other 13 nationalities showed gene frequency distribution possessed region.
随着人类基因组计划的顺利完成，关于遗传性耳聋方面的研究取得了卓越的成就。
With the project of human genome being completed, there has been remarkable progress being made on hereditary hearing loss.
目的分析伴前庭水管扩大(eva)的遗传性耳聋患者SLC26 A 4基因的突变特点，探讨该病行人工耳蜗植入时应注意的问题。
Objective to probe the problems that should be paid attention to in cochlea implantation for inherited deafness patients with EVA and to detect the SLC26A4 gene mutation underlying the disease.
近年来人们对遗传性肝内胆汁淤积性疾病的研究取得了较大的进展，发现了若干与胆汁淤积有关的基因。
In recent years, great progress in the research on the hereditary intrahepatic cholestasis have achieved. In this article, we reviewed the pathogenesis especially the hereditary mechanism of ICP.
每个人在单个有注释的基因中，大约携带250到300个丧失功能的变异，以及50到100个涉及遗传性乱序的变异。
Each person is found to carry approximately 250 to 300 loss-of-function variants in annotated genes and 50 to 100 variants previously implicated in inherited disorders.
目的：分析中国人遗传性非息肉病性大肠癌(HNPCC)家系的临床特征并检测这些家系中M3胆碱能受体基因(A)8区的突变情况。
Objective: to characterize the clinical features of Chinese HNPCC families and to screen the mutations of a poly (a) 8 tract in M3 cholinergic receptor gene in these families.
我们综述了各种相对多见的遗传性角膜营养不良的发病机制研究新进展，重点涉及基因功能、突变蛋白、异常的酶活性等方面。
This article summarizes the current achievemant about the pathogenesis of the disease, with emphasis on the genes, mutant proteins, inactive enzymes activity and so on.
ALAS2的缺失能导致红细胞发育的停滞，ALAS2基因的遗传性突变能引起X-连锁的成高铁红细胞贫血（XLSA）。
The absence of ALAS2 leads to maturation arrest of primitive erythroid cells. Heritable mutations of ALAS2 gene are responsible for the human X-linked sideroblastic anemia (XLSA).
囊肿性纤维化(属遗传性胰腺病)在美国是最普遍致命的的基因疾病。
Cystic fibrosis is the most common fatal genetic disease in the USA.
虽然只有5到百分之10的癌症被认为是遗传性的，是全部癌症的基因，也就是说，癌细胞的生长是因为在壹个细胞的基因里出了错。
Though only 5 to 10 percent of cancers are believed to be inherited, all cancer is genetic; that is, it develops because something in a cell's genes has gone awry.
只有一小部分的乳腺癌是由遗传性基因突变造成的。
Only a fraction of breast cancers result from an inherited gene mutation.
特定离子通道的基因突变是产生遗传性长qt综合征的基础。
Specific ion channel mutations underline the congenital long QT syndrome (LQTS).
总之，基因是存在变异的，遗传性的病症也有可能不遗传给后代，因此您可不必有这样的疑虑了。
In short, the existence of genetic variation, genetic diseases also may not be passed on to future generations, so you do not doubt that there must be a.
总之，基因是存在变异的，遗传性的病症也有可能不遗传给后代，因此您可不必有这样的疑虑了。
In short, the existence of genetic variation, genetic diseases also may not be passed on to future generations, so you do not doubt that there must be a.
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