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Hace 6 días · August Friedrich Leopold Weismann was a German evolutionary biologist. Ernst Mayr ranked him as the second most notable evolutionary theorist of the 19th century, after Charles Darwin. Weismann became the Director of the Zoological Institute and the first Professor of Zoology at Freiburg.
22 de may. de 2024 · August Weismann's germ plasm theory. The hereditary material, the germplasm, is confined to the gonads and the gametes . Somatic cells (of the body) develop afresh in each generation from the germplasm.
22 de may. de 2024 · August Weismann's germ plasm theory held that germline cells in the gonads contain information that passes from one generation to the next, unaffected by experience, and independent of the somatic (body) cells.
11 de may. de 2024 · Desde finales del siglo XIX, la ciencia ha explorado la idea de que nuestra existencia está intrínsecamente diseñada hacia un final inevitable, una noción introducida por el biólogo alemán August Weismann bajo la denominación de "hipótesis de la muerte programada".
9 de may. de 2024 · Weismann’s 1881 proposition suggested an aging program to benefit species by freeing up resources from older individuals 1. This hypothesis was later largely rejected 2, 3, 4, 5, for a range...
Hace 6 días · August Weismann was one of the most influential biologists of the late nineteenth century. In The Germ-Plasm he lays out a new theory of heredity, one based on the continuity of the germ-plasm (the gametes and the cells that give rise to the gametes) as opposed to the finite existence of the soma (the cells of the body).
19 de may. de 2024 · Since the work of August Weismann on germ-plasm theory in biology and of Julian Huxley on the nature of the individual in evolutionary theory, the various species of green algae belonging to the family Volvocaceae have been recognized as important ones in the study of evolutionary transitions from uni- to multicellular life.
