There are two branches of cloning: molecular and organism cloning. Molecular cloning replicate DNA molecular in host organism. It usually uses to modify an organism. Organism cloning can replicate the whole organism. Dolly the sheet is the best example of organism cloning. Cloning is best used in medicine or reproducing a deceased pet. Scientists can clone the mice or animals they need to save the time to breed the same trait organisms. On December 22, 2001, a first clone cat named CC was created. It’s the clone cat of the original cat called rainbow. In the future, the biotechnology will be a important part in our life. Molecular or organism cloning can be a important part of the biotechnology because it can accelerate the produce speed of medicine or chemical stuff.