Every time your cells divide ​ — to make new cells or to replace old cells — ​ your DNA passes those instructions on, thereby keeping you alive and maintaining your basic appearance.
وَهُنَالِكَ إِرْشَادَاتٌ لِكَيْفِيَّةِ نُمُوِّ جِسْمِكَ ‹ مَكْتُوبَةٌ › فِي تَرْكِيبِ ٱلدَّنَا ٱلْكِيمْيَائِيِّ .‏