The human genome, for example, is thought to owe some 8 percent of its code to endogenousretroviruses.
举个例子来说，人类基因代码有大约8%属于内源性的逆转录病毒。
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The team will also conduct tests to investigate whether so-called porcine endogenousretroviruses (PERVS) from the pigs could infect human cells in culture.