Q186 / 200 · NEET 2022 (Phase 2) · Zoology

Select the correct statement regarding mutation theory of evolution.

A
This theory was proposed by Alfred Wallace
B
Variations are small directional changes
Correct answer
C
Single step large mutation is a cause of speciation
D
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.

Hence, the correct answer is option: 'C'.

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