The same process can detect genetic variations if a sample of DNA, rather than RNA, is poured over a suitable array.

同样，如果用的样本是DNA而不是RNA的话，就可以检查基因突变的情况。

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The researchers used microarrays, chips dotted with specific sequences of DNA, to screen centenarians in the study for about 30, 000 common genetic variations.

研究人员使用微阵列来筛选研究中百岁老人的约30000种常规基因变异，这种芯片上点有特定序列的DNA。

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DNA molecular biosensor which based on the DNA hybridization offered a highly rapid and simple method for the detection of genetic variations and infectious disease pathogens.

DNA杂交生物传感器为基因的识别及疾病的诊断提供了一种快速、简便、廉价的方法。

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The two companies aim to help gene researchers quickly sift through the massive amounts of DNA data and medical record information in search of crucial genetic variations that can increase the risk of everything from heart disease to diabetes.

FORBES: IBM Signs Deal With DeCode Genetics

These are tiny glass chips dotted with thousands of microscopic wells where DNA fragments react with other chemicals in order to measure the activity of genes or identify genetic variations.

ECONOMIST: Acoustic microfluidics