If one strand of DNA has the sequence ATGCTTGA, the sequence in the complimentary strand would be

On the basis of structure of guanine and complementary bases present in them , we can say that if the sequence of bases in one strand of DNA is, I, then the sequence in the second strand should be IIA : T : G : C : T : T : G : A   IT : A : C : G : A : A : C : T   II