Cloning Essay

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Cloning “Cloning”. When you think about cloning, what comes to your mind? Maybe you think movies you watched that in a scene where cloning is a done or maybe you think a sheep named Dolly that taught in biology, which is the first ever animal that is cloned. Cloning has become a very controversial issue. It threatens and divides our society into two groups, the pro-cloning and anti-cloning. As a result of the division of the society, there are many questions arise about cloning like, what exactly is Cloning? Is it possible that it has any benefits at all? How can this aid the world? Is there likely to be problems associated with it? What negative effects will it have? Is it moral? To answer all of these questions first we should know what is cloning about. Cloning is the process of asexually producing a group of cells (clones), all genetically identical, from a single ancestor. It is the scientific process of producing an exact duplicate of a gene, cell or organism. Cloning requires an egg cell, and an adult donor cell. The unwanted chromosomes are removed from the egg and discarded. The nucleus, containing the DNA to be cloned, is removed from the donor cell, then the donor nucleus is inserted into the empty egg cell, a process called somatic cell nuclear transfer (SCNT). Afterwards the egg contains a full (adult) set of chromosomes as if it had been fertilized normally. A pulse of electricity, or a chemical 'shock', kick-starts the development process, and the embryo begin to grow. Cell division begins. The subsequent development of the embryo depends upon how successfully the donor nucleus has’re-programmed' the egg. It was first heard from Scientists in Scotland that they had successfully cloned a sheep called ‘Dolly’, who was the first mammal to be reproduced identically from an adult cell rather than from the embryo. She was born on the 5th of July

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