[" 25.Genetic engineering has been successfully used for "],[" producing: "],[" Transgenic models for studying new treatments "],[" for certain cardiac disease "],[" for certain cardiac disease "],[" milk for making ghee "],[" milk for making ghee "],[" c.Animals like bulls for farm work as they have "],[" super power "],[" d.Transgenic mice for testing safety of polio vaccine "],[" before use in humans "]