Question

3. Write the complimentary sequence of DNA for the following strand:

5'-AATTAGGAGCCCAGCTTTGCCGA-3'

Answer 1

The correct answer is TTAATCCTCGGGTCGAAACGGCT

This is because whenever you’re trying to find the complementary sequence of DNA, you basically switch which the listed base and it’s correspondent.

Adenine -> Thymine
Cytosine -> Guanine

Hope this helps!! :)