During DNA replication, a DNA strand that has the bases CTAGGT produces a strand with what bases?

Question

HIX Tutor · Accepted Answer

undefined To find the new DNA strand, we need to match the bases. Here’s how:

1. Read the original DNA strand: CTAGGT.
   
2. Pair each base with its match:
   - C (cytosine) pairs with G (guanine)
   - T (thymine) pairs with A (adenine)
   - A (adenine) pairs with T (thymine)
   - G (guanine) pairs with C (cytosine)
   - G (guanine) pairs with C (cytosine)
   - T (thymine) pairs with A (adenine)

3. Write the new strand with the pairs:
   - C → G
   - T → A
   - A → T
   - G → C
   - G → C
   - T → A

So, the new DNA strand is: GATCCA.

Elias Aboujaoude · Answer

The new DNA strand will have the bases GATCCA.

Adenine (A) always pairs up with thymine (T), and guanine (G) will always pair up with cytosine (C). (Adenine and Thymine have only two places to form hydrogen bonds, whereas Guanine and Cytosine have three places. Like goes with like, so..... ) You could remember it like this ~ Straight letters together, curvy letters together. CTAGGT GATCCA So, that is why the new DNA strand will have the bases GATCCA.