Diagram of nuclear division, Fig 1 in Introduction of The Germ-Plasm: A Theory of Heredity by August Weismann, London, Walter Scott, 1893
Licence: Public Domain Mark
Credit: Diagram of nuclear division, Fig 1 in Introduction of The Germ-Plasm: A Theory of Heredity by August Weismann, London, Walter Scott, 1893. Wellcome Collection. Source: Wellcome Collection.