从宇宙射线到辐射到日常饮食，任何东西都可能激活潜伏的致癌基因。

Anything from cosmic rays to radiation to diet may activate a dormant oncogene.

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研究者目前已详细了解了人类基因组中大约25,000个基因以及潜伏在这些基因中的300多万个常见变异。

Researchers now have a good reference guide for the 25, 000 or so genes of the human genome and the more than 3 million common variants that lurk within those genes.

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这些酶(在1970年代由史密斯发现，因此赢得了诺贝尔奖)可以潜伏在已经没有DNA的细胞尸体中，在合成基因组起作用前切断它们。

These enzymes (discovered in the 1970s by Dr Smith, in work that won him a Nobel prize) would lurk in the DNA-free cadaver and cut up the synthetic genome before it was able to do its stuff.

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New genes emerge as dominant, no longer recessive or latent, and organisms change.

新的基因出现并支配，不在隐性潜伏，然后生物就突变了。

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