And some parts, particularly those where the same short pattern of base pairs is repeated over and over again, remain difficult to sequence well.

另外有些基因，特别是由许多相同的碱基对短片段不断重复而所组成的基因，是很难很好地测序的。

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Moreover, existing sequencing techniques involve breaking DNA into small chunks of less than 100 base pairs.

而且现有的测序技术要把DNA破碎成少于100个碱基对的小片段。

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All of these regions contain genetic stutters called short tandem repeats, in which a pattern of base pairs repeats itself over and over.

所有位点都包含称为短串联重复序列的遗传结点，在结点里一个碱基对模式一遍遍重复出现。

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Imagine subjecting Shakespeare to a computational process like bioinformatics--not to chop the poor guy into DNA base pairs but to tease out 1, 000-word pieces (or strings) of his plays.

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The genome project, which the government began in 1987, aimed to speed the gene-hunting effort by providing the first full map of all 3 billion base pairs that make up human DNA. (It was not necessary, in this effort, to run through all the pairs on each set of chromosomes, or 6 billion pairs.) And because the base pairs come in only four varieties, they are digital and ideal for computer decoding.

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The 2010 National Medal Science to Jacqueline K. Barton, California Institute of Technology, for discovery of a new property of the DNA helix long-range electron transfer, and for showing that electron transfer depends upon stacking of the base pairs and DNA dynamics.

WHITEHOUSE: President Obama Honors the Country��s Top Innovators and Scientists | The White House