Zhong Zhong na Hua Hua mepụtara site na ndị ọkà mmụta sayensị si Institute of Neuroscience nke Chinese Academy of Sciences na Shanghai, nke Qiang Sun na Muming Poo duziri. Ha wepụtara nuclei site na fibroblasts nke nwa ebu n'afọ nke a kwụsịrị ime (a crab-eating macaque ma ọ bụ Macaca fascicularis) ma tinye ha n'ime mkpụrụ ndụ akwa (ova) nke ewepụrụla nuclei nke ha. Ndị otu ahụ jiri enzymes abụọ kpochapụ ihe ncheta epigenetic nke nuclei ebugharị nke ịbụ mkpụrụ ndụ somatic. Nzọụkwụ a dị oke mkpa na-eme ka ndị nchọpụta nwee ike imeri isi ihe mgbochi nke gbochiri mmepụta cloning nke ọma nke primates ruo ugbu a. Mgbe ahụ, ha tinyere 21 nke akwa ndị a n'ime nne nne macaques, na-ebute afọ ime isii, nke abụọ n'ime ụmụ anụmanụ dị ndụ. Egburu ụmụ anụmanụ ndị a aha ya bụ Hua Zhong na Zhong, na-ezo aka na Macaca fascicularis, ma tinye ha n'ime mkpụrụ ndụ akwa (ova) nke ewepụrụla mkpụrụ ndụ
ụmụ anụmanụ