DNA, short for deoxyribonucleic acid, is the molecule that contains the genetic code of organisms. This includes animals, plants, protists, archaea and bacteria.

The structure of part of a DNA double helix

DNA shì tuōyǎng hétáng hésuān de suōxiě, shì bāohán shēngwù yíchuán mìmǎ de fēnzǐ. Qízhōng bāokuò dòngwù, zhíwù, yuánshēng shēngwù, gǔxìjūn hé xìjūn.