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His main contribution involved germ plasm theory, at one time also known as Weismannism, [1] according to which inheritance (in a multicellular animal) only takes place by means of the germ cells —the gametes such as egg cells and sperm cells. Other cells of the body— somatic cells —do not function as agents of heredity.
August Weismann’s 1892 theory that inheritance is transmitted through eggs and sperm provided the biological mechanism for natural selection. In this full-lengt... Front Matter
Jun 11, 2018 · Weismann’s most influential contribution to biological thought was his theory of the continuity of the germ plasm, an explanation of heredity and development.
Weismann and Evolution1. ERNST MAYR. Museum of Comparative Zoology. Harvard University Cambridge, Massachusetts 02138. August Weismann is one of the towering figures in the history. of evolutionary biology. If we ask who in the nineteenth century after Darwin had the greatest impact on evolutionary theory, the. unequivocal answer must be Weismann.
germ plasm. germ-plasm theory, concept of the physical basis of heredity expressed by the 19th-century biologist August Weismann ( q.v. ).
- The Editors of Encyclopaedia Britannica
Apr 19, 2023 · August Weismann and the Growth of Biological Understanding Between Darwin and the Rediscovery of Mendel. General Article. Published: 19 April 2023. Volume 28 , pages 513–525, ( 2023 ) Cite this article. Download PDF. Amitabh Joshi. 69 Accesses. Explore all metrics. Abstract.
Jun 9, 2015 · In his major work on the germ plasm (1892), which established the material basis of heredity in the “germ cells,” Weismann delivered a crushing blow to Lamarck’s concept of the inheritance of...
