What if they appear healthy, and there's some metabolic6 difference that's caused by a genetic defect?
如果它们看似健康，但却存在由基因缺陷引起的新陈代谢环节的差异的话，将会发生什么情况？
The disease is caused by a genetic defect that leads to bone marrow failure and a greater risk of cancers, such as leukaemia.
范康尼贫血症是由遗传缺陷引发的疾病，会导致骨髓功能衰竭，甚至更容易罹患癌症，例如血癌。
The immune system may fail to function for many reasons. Immune disorders caused by a genetic defect are usually evident early in life.
免疫系统的机能丧失可能有很多原因。由遗传缺陷造成的免疫疾病通常在生命早期就可看出。
Characterized by scattered scarring of some of the glomeruli, this condition may result from another disease or a genetic defect or occur for no known reason.
病因可能是别的疾病(比如高血压，或由上述微小病变性肾病演变而来)、基因缺陷、或其它未知原因。
Andrews argues that fixing a genetic defect that causes a catastrophic disease and passing that correction to new generations would be a benefit, not a risk.
安德鲁斯争辩说，修复导致致命疾病的基因缺陷并将治疗后的基因传给下一代是一件有益的事情，而不是风险。
Grifo said he wouldn't oppose embryo screening to select a baby with a genetic defect if the parents have been informed of the pros and cons, risks and benefits.
Grifo说他不反对胚胎筛检用于选择有基因缺陷的宝宝，前提是父母已被告知利弊、风险、收益。
Some people even have a genetic defect in the enzymes in their liver that break down nicotine, whereby the mutant enzyme is much less effective at metabolizing nicotine than the normal variant.
有些人的肝脏中分解尼古丁的酶有遗传上的缺陷，因此这种突变的酶在代谢尼古丁时的作用就比正常的变异体的作用小。
He then corrected the sickle-cell genetic defect and prodded the iPS cells to develop into the type of marrow stem cell that manufactures a mouse's blood cells.
接着，他修正了这些iPS细胞的镰刀形贫血遗传缺陷，并刺激这些iPS细胞分化发育成为能够制造小鼠红细胞的骨髓干细胞。
Whether it’s because of a crash diet, general malnutrition or some genetic or biological defect, deficiencies in certain nutrients can cause hair loss.
无论是由于快速节食，营养不均衡还是一些遗传的或生理缺陷引起的某些营养物不足，均会导致脱发。
Tragically, their daughter Carol was born in 1920 with a genetic birth defect called phenylketonuria, which led to mental impairment.
不幸的是，1920年赛珍珠的女儿卡罗出生时患有一种叫做苯丙酮酸尿症的先天基因缺陷症，导致智力受损。
However, he said, understanding the molecular nature of this single genetic defect, which is at the root of a familial form of such a complex disease, offers invaluable clues.
然而，他又说，理解单个遗传缺陷的分子本质，其是如此复杂疾病的一种家族性形式的根源，提供了无价的线索。
In most genetic conditions, between 5-15 per cent of cases are caused by a defect called a "nonsense mutation".
在多数基因情况下，约5 - 15%的病例都是由一种叫做“无意义突变”的缺陷引起。
Further research is needed to determine why this genetic defect appears to cause such a significant increase in stroke, they added.
我们需要进一步的研究来确定为什么这个基因缺陷引起中风风险明显增加，他们补充说。
And might the genetic defect that appears to cause PWS have parallels in people who are otherwise healthy, perhaps giving them a genetic predisposition to overeating?
也许导致PW综合征的遗传缺陷在健康人只表现为遗传性过饱食倾向？
Thee 32-year-old, who was born with a rare non-genetic birth defect that left her without arms, has never let her disability hold her back.
杰西卡今年32岁，她在一出生时就患有罕见的非遗传性疾病，导致其失去了双臂，但身体的残疾并没有击退她。
Thee 32-year-old, who was born with a rare non-genetic birth defect that left her without arms, has never let her disability hold her back.
杰西卡今年32岁，她在一出生时就患有罕见的非遗传性疾病，导致其失去了双臂，但身体的残疾并没有击退她。
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