Select the correct statement regarding mutation theory of evolution.

Select the correct statement regarding mutation theory of evolution.
  1. This theory was proposed by Alfred Wallace
  2. Variations are small directional changes
  3. Single step large mutation is a cause of speciation
  4. Large differences due to mutations arise gradually in a population

Solution

The concept of evolution through mutation was given by Hugo de vries. $\rightarrow$ Mutations are sudden aberration/change that arise in the population thus they are discontinuous in nature. $\rightarrow$ Large single step changes are called Saltation which lead to speciation.

Asked in: NEET 2022 (Phase 2)

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