South Korea is considering four years in prison for Woo-Suk Hwang, the scientist who deceived the world with fraudulent claims he had cloned human embryos and then destroyed them for their embryonic stem cells, in 2004 and 2005. Last year Hwang was prohibited from working with human eggs and embryos.

Despite the ethical concerns and better alternatives, various scientists continue to pursue cloning of human embryos for experiments.

A brief history of human cloning claims.