Add Yahoo as a preferred source to see more of our stories on Google. The same amino acid can be encoded by anywhere from one to six different strings of letters in the genetic code. Andrzej ...

URBANA, Ill. – Genes are the building blocks of life, and the genetic code provides the instructions for the complex processes that make organisms function. But how and why did it come to be the way ...

Scientists have long believed that a universal genetic code serves as a blueprint for all life on Earth, dictating the structure and function of organisms from the simplest bacteria to complex humans.