Answer:
I'm not 100% sure but I think its A. Here is an article I found on it. I might be wrong.
The issue with genetically engineered food crops is C: INCREASING ONE QUALITY IN A FOOD CROP MAY DEGRADE OTHER QUALITIES
Answer:
Each strand is made up of a sequence of four nucleotides, A, C, G, and T. The order of the nucleotide sequence encodes genetic information. Since the nucleotides pair in a predictable way — A with T, and C with G — each strand of the DNA is always complementary to the other.
The brain. Hope this helps:)