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What is the cause of acquired characteristics?

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The belief in the inheritability of acquired characteristics, proposed by the French biologist Jean-Baptiste Lamarck in 1809, was widely accepted at one time, but is now rejected. Geneticists have affirmed that inheritance is determined solely by the reproductive cells and is unaffected by somatic (body) cells.

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Similar questions: How does someone receive acquired characteristics? Why do people have acquired characteristics? What are acquired characteristics a result of? Why do acquired characteristics occur in people? What causes acquired characteristics? [ Hide these questions ]

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