Monogenism

Monogenism or sometimes monogenesis is the theory of human origins which posits a common descent for all human races. The negation of monogenism is polygenism. This issue was hotly debated in the Western world in the nineteenth century, as the assumptions of scientific racism came under scrutiny both from religious groups and in the light of developments in the life sciences and human science. It was integral to early conceptions of ethnology.

Read more about Monogenism:  In The Abrahamic Religions, Environmentalist Monogenism, Monogenism Under Attack in France, Mid-century Contention in The United Kingdom, Biology, Specific Unity and Varieties of Man, Interfertility and Biological Unity