THE +
Deoxyribonucleic acid (DNA) is an organic chemical that contains genetic information and instructions in most cells of every organism. DNA is a key part of reproduction in which genetic heredity occurs through the passing down of DNA from parents to offspring.
Deoxyribonucleic acid (DNA) is an organic chemical that contains genetic information and instructions in most cells of every organism. DNA is a key part of reproduction in which genetic heredity occurs through the passing down of DNA from parents to offspring.