Who disproved Lamarck's Theory of acquired characters? How ?

Explanation

(i) The theory of inheritance of acquired characters- Characters that are devloped during the life time of an organism are called acquired characters and these are then inherited.
Lamarck.s ..Theory of Acquired characters.. was disproved by August Weismann who conducted experiments on mice for twenty generations by cutting their tails and breeding them. All mice born were with tail. Weismann proved that change in the somatoplasm will not be transferred to the next generation but changes in the germplasm will be inherited.