Because there's one copy of the gene in DNA (2 for diploid species including humans). It would take a LONG time to make an appreciable amount of protein from two copies of the gene. But the cell can make many copies of mRNA to quickly make larger amounts of the desired protein.
the Answer is C. because recessive means two of the same alleles and non dominant
Yes it would burn your body but I dont think from the outside to much
I think the answer is D :) ........