This is the foundation for dna replication, the rule that states the purine adenine (
Aalways pairs with the pyrimidine thymine (t) and the pyrimidine cytosine (
Calways pairs with the purine guanine (
g.
Aalways pairs with the pyrimidine thymine (t) and the pyrimidine cytosine (
Calways pairs with the purine guanine (