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Question
The theory of continuity of germplasm was proposed by:
The theory of continuity of germplasm was proposed by:
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Solution
The correct option is B Weismann
August Weismann put forth the theory of continuity of germplasm. According to this, only the characters influencing the germ cells get inherited. There occurs continuity or inheritance of germplasm (protoplasm of germ cells), but the protoplasm of somatic cells is not transmitted to the offspring and hence, it cannot pass on the acquired characters to the next generation. Weismann proved this by cutting off the tails of mice for as many as 22 generations and allowing them to breed. He observed that tailless mice are never born.
August Weismann put forth the theory of continuity of germplasm. According to this, only the characters influencing the germ cells get inherited. There occurs continuity or inheritance of germplasm (protoplasm of germ cells), but the protoplasm of somatic cells is not transmitted to the offspring and hence, it cannot pass on the acquired characters to the next generation. Weismann proved this by cutting off the tails of mice for as many as 22 generations and allowing them to breed. He observed that tailless mice are never born.
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