Scientists in england have been tryeing to make a human and Animal hybrid cell and it didnt work, At least were trying though
http://www.google.com/hostednews/ap/article/ALeqM5iPHLGwIeNTSqX5OhfAz5P60q01gAD963LLQO0
Oh deer.
Article removed.
I googled few :
http://www.scienceprogress.org/2008/04/british-scientists-announce-first-animal-human-hybrid-embryos/
http://www.world-science.net/othernews/060808_chimera.htm