Article
August Weismann on germ-plasm variation.
Journal of the history of biology - 1 Jan 2001
Winther R G
Abstract excerpt
August Weismann is famous for having argued against the inheritance of acquired characters. However, an analysis of his work indicates that Weismann always held that changes in external conditions, acting during development, were the necessary causes of variation in the hereditary material. For much of his career he held that acquired germ-plasm variation was inherited. An irony, which is in tension with much of...
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