Epigenetics: The sins of the father

March 5, 2014

(Nature) – Biologists first observed this ‘transgenerational epigenetic inheritance’ in plants. Tomatoes, for example, pass along chemical markings that control an important ripening gene. But, over the past few years, evidence has been accumulating that the phenomenon occurs in rodents and humans as well. The subject remains controversial, in part because it harks back to the discredited theories of Jean-Baptiste Lamarck, a nineteenth-century French biologist who proposed that organisms pass down acquired traits to future generations.

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