Diagram of different generations of idants, Fig. 19 in chapter on 'Effects of Amphimixis on the Germ-Plasm', p. 239 of The Germ-Plasm: A Theory of Heredity by August Weismann, London, Walter Scott, 1893

Licence: Public Domain Mark

Credit: Diagram of different generations of idants, Fig. 19 in chapter on 'Effects of Amphimixis on the Germ-Plasm', p. 239 of The Germ-Plasm: A Theory of Heredity by August Weismann, London, Walter Scott, 1893. Wellcome Collection. Source: Wellcome Collection.