Answer:
Genetic code
Cadons
Explanation:
genetic code is the code that allows an organism read the information in it genes. The information provide instructions for building and operating a living organism.
The genetic code is a combination of sequential nitrogen base A, G, U, C formed in the mRNA chain. These four bases is what make of the letters of the genetic code which combine together to form the cadons
Answer:
They were introduced by humans
Explanation:
I attached a PDF document, just take a part of it that seems to work the best, and put it through a paraphrasing tool so it doesn't get flagged for plagiarism