Answer asap! must be correct for points given! super important! answer with the letter format, (example: answer = and provide an explanation why it is that answer.

which 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?

a.
adrenaline

b.
thymine

c.
gartaine

d.
cytokinesis