Human cloning is a new phenomenon that is still in the early amazing stage. In biology, cloning means “proliferation of a living creature without sexual intercourse” and is currently referred to embryonic implantation in the womb which is originally produced in the laboratory. In other words, cloning is the creation of a genetically identical copy of a human or animal that, by replacing the core of the referred person’s cell and multiplying it, results in the production of a person exactly identical (or a copy) of the first person. The process is that researchers first replace nuclei of an ovum with DNA of other cells, then protect them in the laboratory to proliferate and change to embryos. If the embryo is implanted in the womb and a human being is born, human reproduction has done. I view of Islamic jurists; human cloning is forbidden for many reasons. The present paper tries to study the cloning issue, its negative and positive consequences, and the reactions that have been shown in the world of Christianity and the West and Islamic world.

One of the most significant functions of the Qisas (retribution) law is to protect human beings lives as well as their integrity. Approving and execution of the said punishment is subject to several requirements where the lack of any of them can prevent its execution. It is worth observing that the impediments of execution, delaying and even fall and amnesty of retaliation has got a great importance in the Islamic punishment laws and regulations. These laws are originated from the famous fatwa of the Shi'i jurisprudents, but are not separately and independently classified under a particular title. This article seeks to review and reveal all circumstances in which the said punishment is set aside in spite of the commitment of the murder and the crime. In this research, this issue has been examined from the perspective of the famous jurists of Imamieh comparing with the views of Grand Ayatollah Khoyi as well as Islamic Penal Code