( b) What should we learn from the continuing successful function of DNA? Consider DNA (deoxyribonucleic acid), one of the chemical mechanisms involved in passing on the characteristics of organisms from one generation to the next.
(‏ ب )‏ مَاذَا نَتَعَلَّمُ مِنْ تَأْدِيَةِ ٱلدَّنَا وَظِيفَتَهُ بِٱسْتِمْرَارٍ وَدُونَ أَيِّ خَلَلٍ ؟‏