World's First Chimeric Monekeys Were Born in the Sates

A Research Center of primates in Oregon, the U.S, announced officially that they successfully and artificially generated three chimeric monkey babies, as they had mixed several cells made from embryos. It is said that the project will help the study progress into the next phase. 

Source(s):

http://www.redorbit.com/news/science/1112450638/researchers-create-worlds-first-chimeric-monkeys/

http://www.afpbb.com/article/environment-science-it/science-technology/2849073/8260409

http://www.youtube.com/user/HQTStudio?feature=watch