Lamarckism: Quick Facts

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Photos

Black and white portrait of Jean-Baptiste Lamarck, French naturalist, shown from the chest up wearing a high-collared shirt, cravat, and jacket.

Lamarckism; giraffe

Charles Darwin: On the Origin of Species

Weismann, August

Charles-Édouard Brown-Séquard

Salvador Luria stands in a laboratory holding test tubes, wearing glasses, a striped tie, and a short-sleeve shirt, with laboratory equipment and a chalkboard in the background.

Max Delbruck wearing glasses, a light-colored suit, and a dark tie, seated in front of a bookshelf filled with books, circa 1960s.

Joshua Lederberg in a suit holding a petri dish in one hand and examining another, standing in front of shelves filled with scientific bottles and vials.

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Topics

inheritance of acquired characteristics kinetogenesis neo-Lamarckism epigenetics acquired character evolution heredity germ-plasm theory inclusive fitness mutation theory Mendelian inheritance Runaway selection hypothesis Creative evolution Darwinism Dollo’s law Good genes hypothesis missing link

Key People

Jean-Baptiste Lamarck

Jean-Baptiste Lamarck

French biologist

Edward Drinker Cope, c. 1889

Edward Drinker Cope

American paleontologist