The correct option is A One
GFP refers to green fluorescent protein. It was first isolated from the jellyfish Aequorea victoria and is sometimes called avGFP. GFP have been found out in various other organisms as well such as corals, sea anemones, etc.
GFP gene has been successfully shown to be inserted in different species such as rabbits, pigs and cats as well. So, the gene is capable of expression even when put in organism of another species.