title: A method for calculating codon frequencies in DNA.
mesh_terms: D000225:Adenine / Q000032:analysis; D000595:Amino Acid Sequence; D001483:Base Sequence; D003596:Cytosine / Q000032:analysis; D004247:DNA; D005815:Genetic Code; D006147:Guanine / Q000032:analysis; D008433:Mathematics; D008954:Models, Biological; D011687:Purines / Q000032:analysis; D011743:Pyrimidines / Q000032:analysis; D013941:Thymine / Q000032:analysis
chemical_list: D011687:Purines; D011743:Pyrimidines; D006147:Guanine; D003596:Cytosine; D004247:DNA; D000225:Adenine; D013941:Thymine