The causality behind the sudden changes was understood due to ....................... principle of Hugo de Vries.

Q.1 (A)(i) The causality behind the sudden changes was understood due to ....................... principle of Hugo de Vries.

A. Appendix

B. Mutation

C. Transcription

D. Translocation

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Answer: B. Mutation

Answer: (B) Mutation

Hugo de Vries gave the mutation theory of evolution. He observed sudden, large changes in the evening primrose and concluded that new species arise by mutations, which are sudden changes in the genetic material.

Doubtly AI · 25 Oct 2026 AI-verified · Oct 2026 Report

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The causality behind the sudden changes was understood due to ....................... principle of Hugo de Vries.

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