Weismann barrier

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At a glance

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Notion

Domain

Science and technology

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What Wikipedia says

The Weismann barrier, proposed by August Weismann, is the strict distinction between the "immortal" germ cell lineages producing gametes and "disposable" somatic cells in animals (but not plants), in contrast to Charles Darwin's proposed pangenesis mechanism for inheritance.

Excerpt from the Wikipedia article “Weismann barrier”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Ian Alexander, CC BY-SA 4.0, via Wikimedia Commons.