http://library.thinkquest.org/04apr/00774/
This site contains sections with information about all aspects of genetic engineering. It contains sections on the basic information about DNA/genes, the method used to modify an organism's genetic makeup, how the technology is utilized, controversy over this topic, a glossary for unfamiliar terms, and quizzes throughout to see how much you have learned by looking at this site.

http://www.mailonsunday.co.uk/pages/live/articles/news/news.html?in_article_id=444436&in_page_id=1770&in_a_source=

sheep that are 15% human.

http://ourworld.compuserve.com/homepages/dp5/genetic.htm