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Loading... Lamarckism; giraffe Jean-Baptiste Lamarck proposed that acquired characteristics were inheritable. For example, as a giraffe stretches its neck to browse higher in trees, the continuation of the habit over an extended period results in a gradual lengthening of the limbs and neck.
- The Editors of Encyclopaedia Britannica
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What is inheritance of acquired characteristics?
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What was Lamarck's idea of the inheritance of acquired characters?
In the case of the French biologist Jean-Baptiste Lamarck, his name since the end of the nineteenth century has been tightly linked to the idea of the inheritance of acquired characters. This was indeed an idea that he endorsed, but he did not claim it as his own nor did he give it much thought.
- Richard W. Burkhardt
- 10.1534/genetics.113.151852
- 2013
- Genetics. 2013 Aug; 194(4): 793-805.
Lamarckism, also known as Lamarckian inheritance or neo-Lamarckism, [2] is the notion that an organism can pass on to its offspring physical characteristics that the parent organism acquired through use or disuse during its lifetime.
Searches related to what is inheritance of acquired characteristics theory
The second part of Lamarck's mechanism for evolution involved the inheritance of acquired traits. He believed that traits changed or acquired over an individual's lifetime could be passed down to its offspring.
Inheritance of acquired characteristics, or inheritance of acquired characters is the once widely accepted idea that physiological modifications acquired by an organism can be inherited by the offspring.
The inheritance of such a characteristic means its reappearance in one or more individuals in the next or in succeeding generations. An example would be found in the supposed inheritance of a change brought about by the use and disuse of a special organ.
Nov 21, 2023 · Lamarck's theory, known as Lamarckism, is also commonly known as the theory of inheritance of acquired characteristics because he believed that traits that were acquired during an...
