These are the instructions in the genes that tell a cell how to make a certain protein and resides in the sequences of genetic material. Represented by letters A, T, G, C.

GENETIC CODE: "The genetic code is represented by 4 letters, A,T, G, C."
Cite this page: N., Pam M.S., "GENETIC CODE," in, May 11, 2013, (accessed January 22, 2021).