Question

A small genetic change such as a single mutation may result in _____.
A. gene flow
B. microevolution
C. genetic drift
D. malaria

Answer 1

gene flow is the answer

Answer 2

The correct answer is option B (Microevolution)

Microevolution is defined as a change is allele frequencies observed within a population. In contrast to macroevolution it can be observed within a short period of time even within a same generation.

Microevolution can occur due to following reasons:

- Gene flow or Gene migration

- Genetic drift

- Mutation