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| | Gene |
 | | During that year, three botanists, Hugo de Vries, Carl Correns, and Erich Tschermak, reported on their breeding experiments of the late 1890s and claimed to have confirmed the regularities in the transmission of characters from parents to offspring that Mendel had already presented in his seminal paper of 1865 (Olby 1985, 109-37). |
| | A second category of biologists in the second half of the nineteeenth century, to whom Carl Naegeli and August Weismann belonged, distinguished the body substance, the trophoplasm or soma, from a specific hereditary substance, the idioplasm, or germ plasm, which was assumed to be responsible for intergenerational hereditary continuity. |
| | In this way Correns, at the beginning of the first decade of the twentieth century, distinguished a hereditary space with an independent logic and metrics from another, physiological and developmental space represented by the cytoplasm and standing for the organism. |
| plato.stanford.edu /entries/gene (9187 words) |
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