1)

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


A) TACGAACT

B) TCCGAACT

C) TACGTACT

D) TACGTAGT

Answer:

Option A

Explanation:

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 II

A:T:G:C:T:T:G:A I

T:A:C:G:A:A:C:T II