The genetic code is carried by the molecule in most organisms.
chromosomal
dna
guanine
hereditary

The genetic code is being carried by the DNA molecules which are found in most organisms.
DNA it is called Deoxyribonucleic acid. It is a thread-like known as nucleotides which carry genetic instructions which are used for growth, functioning, development, and reproduction.
 Both RNA and DNA are nucleic acids. DNA stores biological information. DNA is the backbone in resistance cleavage and is made from alternating sugar and phosphate.