The zebra danios are a new type of pet fish, marketed as Glo-Fish. The fish were produced by transferring genes from jellyfish (green and yellow fish) and corals (red fish) into regular zebra danio fish (striped blue and white normally) embryos. Which of the following statements is NOT true about these fish? A) These fish have recombinant DNA. B) These fish are transgenic animals. C) A vector, such as a plasmid or virus, may have been needed to get the foreign genes into fish cells. D) These fish could have been produced by introducing the DNA of a coral or jellyfish into an empty fish egg.