Many of us have heard the word cloning . From science experiments to jimmy neutron . Well one of the first experiments started with tadpoles , decades later they used mice . Two men were very significant to the word cloning . J.B.S Haldane and August Weisman both helped experiment and set laws to prevent and protect the sake of people who may be affected on cloning . Using many machines such has Advanced cell technology (ACT) and Massachusetts biotechnology company recombination technology . These technology advancements help scientist observe the cloning patients and doners and look for any diseases . However there are some risk such has .... death . With its many risk Cloning is allowed in a few countries since the fact that genetic differences are able to exist between a clone and its doner . This led to many countries banning cloning on humans and animals .