Question

Which nucleotide could be added to the sequence

Answer 1

The correct answer among all the other choices is C. adrenaline. This nucleotide could be added to the sequence A—G—A—T—G—C—G—A—G—T—T—A—C—G—G to create a mutation. Thank you for posting your question. I hope this answer helped you. Let me know if you need more help. 

Answer 2

I think its A, thymine