http://www.methodsofhealing.com/the-advantages-and-disadvantages-of-cloning/
http://www.animalresearch.info/en/medical-advances/151/cloning-dolly-the-sheep/
http://www.wisegeek.org/what-are-some-disadvantages-of-cloning.htm
http://www.animalresearch.info/en/medical-advances/151/cloning-dolly-the-sheep/
http://www.wisegeek.org/what-are-some-disadvantages-of-cloning.htm