DNA is perhaps the most famous biological molecule present in all forms of life on earth. But what is DNA or deoxyribonucleic acid? Here, we cover the essentials.
Virtually every cell in your body contains DNA or the genetic code that makes you you. DNA carries the instructions for the development, growth, reproduction, and functioning of all life.
Differences in the genetic code are the reason why one person has blue eyes rather than brown, why some people are susceptible to certain diseases, why birds only have two wings, and why giraffes have long necks.
