Question

with the help of Sustainable Example explain why certain shares cannot be passed on to next generation what are the traits called

Answer 1

Example : Acquiring knowledge by reading / Change in body weight.

Reason : Because such changes do not bring any change in the DNA of the germ cells /such changes take place only in the non-reproductive tissues.

Traits: Acquired Traits.

Answer 2

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Certain traits cannot be passed on next generation because:

1. Acquired traits which occur in the somatic cells bring about some changes in them.

2. Changes in the somatic cells are not passed on to the offspring belonging to next generation.

3. Only the changes in the genetic material of the reproductive cells can be inherited.

 

e.g. Muscles developed by strenuous exercise cannot be inherited to offspring as these changes occur in somatic cells. These are called as acquired traits  

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