August Weismann (1834-1914)

Weismann was one of the founders of the science of genetics.
He realized that something in the germ cells, contained in the sexual organs,
was passed on to the next generation controlling their heredity. He found that in born characteristics of both parents,
such as height and eye colour, were combined in their offspring but that acquired characteristics were not inherited.
He showed that offspring of mice which had
Had their tails cut off were born with normal tails.

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