遗传暗物质也隐约大时，科学家调查哪些基因被转录，或解码成rna。

Genetic dark matter also loomed large when scientists surveyed exactly which DNA was being transcribed, or decoded, into RNA.

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逆转录病毒的遗传物质是RNA，一种类似但又区别于DNA的分子。

The hereditary material of a retrovirus is a molecule called RNA, which is similar to, but distinct from, DNA.

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对遗传信息进行编码。基因——长长的脱氧核糖核酸分子中的不连续的片段——把它们的序列转录成单线信使核糖核酸分子，核糖核酸又成为蛋白质的模板。

Genes — discrete segments of long DNA molecules — transcribe their sequences onto single-strand messenger RNA molecules, which then serve as templates for proteins.

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