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pangenesis
[ pan-jen-uh-sis ]
noun
- the theory that a reproductive cell contains gemmules or invisible germs that were derived from the individual cells from every part of the organism and that these gemmules are the bearers of hereditary attributes.
pangenesis
/ pænˈdʒɛnɪsɪs; ˌpændʒəˈnɛtɪk /
noun
- a former theory of heredity, that each body cell produces hereditary particles that circulate in the blood before collecting in the reproductive cells See also blastogenesis
Derived Forms
- ˌpangeˈnetically, adverb
- pangenetic, adjective
Other Word Forms
- pan·ge·net·ic [pan-j, uh, -, net, -ik], adjective
- pange·neti·cal·ly adverb
Word History and Origins
Origin of pangenesis1
Example Sentences
De Vries also pored through Darwin's books, and he latched onto the theory of pangenesis—the idea that “particles of information” from the body were somehow collected and collated in sperm and eggs.
It was a name that protested its own origin: even though he had systematically demolished Darwin’s theory of pangenesis, de Vries paid his mentor a final homage.
He wrote to his friend Asa Gray, “Pangenesis will be called a mad dream, but at the bottom of my own mind, I think it contains a great truth.”
Buried in the text of that review was the most powerful argument against pangenesis that Darwin would encounter in his lifetime.
If Darwin had actually read it—particularly as he was writing Variation and formulating pangenesis—this study might have provided the final critical insight to understand his own theory of evolution.
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