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CLONING Adult cell cloning The nucleus is removed from an unfertilized egg cell This is replaced with the nucleus of an adult cell (e.g. skin cell) An electric shock is used to start the cell dividing to form embryo cells These embryo cells contain the same genetic information as the adult skin cell When the embryo has developed into a ball of cells, it is inserted into the womb of an adult female to continue its development • • • • Advantages: This could be used to clone animals with desired characteristics, e.g. farm animals It could possibly be used to save rare breeds from extinction Disadvantages If this is used in farming, it produces lots of genetically identical individuals; If there is a change in the environment, they may all struggle to survive