Human DNA has only 4 basic building blocks (commonly written as g, a, t, and c), so this is not a far-fetched theory.

人类DNA只有4种基本组成部分(通常写作g、A、t和c)，因此这不是一种牵强附会的理论。

youdao

Human DNA has only 4 basic building blocks (commonly written as g, a, t, and c), so this is not a far-fetched theory.

人类DNA只有4种基本组成部分(通常写作g、A、t和c)，因此这不是一种牵强附会的理论。

youdao