Is cloning wrong? Chinese scientists have made a breakthrough by making a copy of a rhesus monkey. But animal rights campaigners say their work is wrong.
Fury over monkey cloned for medical research
Same fame: Zhong Zhong, a long-tailed macaque, has lived in a laboratory for six years. Glossary
Cloning - Creating an exact copy.
Species - A set of animals or plants with similar features. Members of the same species can breed with each other.
Campaigners - People who call for change. Activists.