A=t g=c so if you have gta-gca the opposite strand would be cat-cgt.
I believe the answer to that would be B
Answer:
Boston, Massachusetts, U.S. Mary Temple Grandin (born August 29, 1947) is an American scientist and activist. She is a prominent proponent for the humane treatment of livestock for slaughter and author of more than 60 scientific papers on animal behavior.