Question

PLEASE ANSWER ASAP! MUST BE CORRECT FOR POINTS GIVEN! SUPER IMPORTANT! Please answer with the letter format, (Example: Answer = A.), 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

Answer 1

The answer is B - Thymine

Explain : because a , c , d are not nucleotides

I hope that's help !