Question

The theory of continuity of germplasm does not hold good in which of the following cases:

• A. In cases 1, 2 and 3 only
• B. In cases 2 and 3 only
• C. In all the above mentioned cases
• D. None of the above

Answer 1

The correct option is B In cases 2 and 3 only

In certain cases, somatic cells can produce the germ cells, which is against Weismann’s theory of continuity of germplasm. This occurs in vegetative propagation in plants like tubers, stolons, graftings and cuttings etc., and regeneration in certain invertebrate animals like flatworms.
Thus in these cases, the changes which occurred in the somatic parts maybe inherited by the offspring.