他们的研究发现，无论是烟民还是不吸烟，还是曾经吸烟的人，尽管在基因上存在着相似性，但非吸烟肺癌患者与吸烟的肺癌患者突变的基因大不相同。
They confirmed that while there were similarities, lung tumors from nonsmokers had many genetic changes different from the genetic changes seen in smokers.
2008年8月12日《每日科学》：利物浦大学的研究发现，避孕药可能破坏女人选择和她们基因不相似的伴侣的本能。
ScienceDaily (Aug. 12, 2008) — The contraceptive pill may disrupt women's natural ability to choose a partner genetically dissimilar to themselves, research at the University of Liverpool has found.
2008年8月12日《每日科学》：利物浦大学的研究发现，避孕药可能破坏女人选择和她们基因不相似的伴侣的本能。
ScienceDaily (Aug. 12, 2008) — The contraceptive pill may disrupt women's natural ability to choose a partner genetically dissimilar to themselves, research at the University of Liverpool has found.
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