Morality on Researches of Human Embryo Stem Cells

The writing studies and analyzes a few issues in close connection with researches of human embryo stem cells: morality dispute on the status of human embryo stem cells,morality issue on therapeutical cloning and productive cloning,policies and regulations on cloning technologies in the world,etc.,especially immense moral shock brought to the society by productive cloning.Investigation shows that governments support researches on therapeutical cloning instead of productive cloning.In addition,it tells about predictions made by some scholars on morality issues concerning human cloning.