Web sites where information was found:
RDS: UNDERSTANDING ANIMAL REASEARCH IN MEDICINE
Wikipedia.com
About.com
History of cloning
Google images
http://www.buzzle.com/articles/animal-cloning/
http://genetics.suite101.com/article.cfm/cloning
http://library.thinkquest.org/20830/Frameless/Manipulating/Experimentation/Cloning/longdoc.htm