Genetic code is a sequence of Nitrogenous base in RNA(ribonucleic acid) or DNA (deoxyribonucleic acid) that determines or specify an amino acid. Genetic codes consist of a triplets code called codon that are written in three alphabeth each codon specifies an amino acid.
Example is AUG that specifies methionine which is a start codon. There are 64 codon, 61 of them specifies an amino acid while 3 are called the stop codon as they terminate amino acid formation process.
An alteration in the sequence of this nucleotide can lead to the formation of a new amino acids other than the specify.
