Each of your cells contains tens of thousands of genes, and each gene is part of a long chain made of DNA (deoxyribonucleic acid).
وَقَدْ وَصَفَ هذَا ٱلْمُخَطَّطَ بِلُغَةٍ شِعْرِيَّةٍ ،‏ قَائِلًا إِنَّهُ ‹ مَكْتُوبٌ فِي سِفْرِ › ٱللهِ .‏