The new position was declared in a friend-of-the-court brief filed by the Department of Justice late Friday in a case involving two human genes linked to breast and ovarian cancer.
The story started to unfold in the late 1990s, when plant researchers and nematode biologists learned to use small RNA molecules to shut down genes.
这些研究始于90年代末，那时从事植物研究的研究人员和线虫生物学家学会了使用小RNA分子关闭基因。
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Those Palace "friends" say that now, at 60, Charles accepts that the Queen's robust health and formidable genes mean he is unlikely to be King until his late seventies.