Question

The causality behind the sudden changes was understood due to -- -- principle of Hugo de Vries. (Gene, Mutation, Translocation, Transcription, Gradual development,Appendix) Complete the statement by choosing correct options from bracket.

Answer 1

Mutations. According to Hugo de Vries' principle , changes in an organism can occur through genes, and genes can spread them very rapidly. Through the changes, there can be evolution of the species of the animals.

After the evolution of the species is complete for that period of time, the changes also stop. The mutations again occur when the need for evolution, in order to adapt to the changing environment, emerges.

Thus, according to Hugo de vries' theory of mutation, mutations are the way evolutions can be made possible.

Answer 2

The answer is "mutation".

It is the principle of mutation by Hugo De Vries which tells us that evolution is a tricky process.

New kids of variations and species get formed by mutation and therefore function as the raw material of evolution.

It is due to process of mutation that we get a variety of sources.