Question

pregunta 8
what is the complementary sequence of dna
original dna strand: cagtcg
(type your sequence in the space given. do n
answer or it may be marked as incorre

Explanation:

Step1: Match each DNA base

In DNA, cytosine (C) pairs with guanine (G), and adenine (A) pairs with thymine (T).
Original strand: C A G T C G

Step2: Build complementary sequence

Replace each base with its pair:
C → G, A → T, G → C, T → A, C → G, G → C

Answer:

GTCAGC