Imagine a new mutation arising in a gene.

设想一下在一个基因上发生了一个新的突变。

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Isolated case — an individual who is the only member of his or her kindred affected by a genetic disorder, either by chance or by new mutation. See also sporadic.

一个家系中唯一的患病个体，可由上代遗传基因决定，也可由于新突变产生。参见散发。

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Conclusion: This new method of DNA sequence deletion mutation is simple and accurate. It could avoid new mutation in PCR process of traditional DNA manipulation method.

结论：该方法操作简单、精确，能够避免引入新突变，为DNA序列的缺失突变提供了一种新方法。

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There's a major new mutation within the 2nd generation tablet and it brings significantly better battery life.

ENGADGET: Buying an iPad 2? Here's the rarer, more efficient specimen you need to (somehow) track down

On average, every child is born with one brand new genetic mutation.

FORBES: DNA Sequencing: Is Science Fiction Becoming Medical Fact?

This, some scientists believe, leads to new illnesses formed by genetic mutation crossing the species barrier and entering the human population.

ECONOMIST: Still spreading | The