Zoology-Natural Selection
NEET Zoology Natural Selection MCQ Question
Type: MCQ-diagram based-Hard-Class 12
Consider a hypothetical Hardy-Weinberg equilibrium graph that plots allele frequencies over generations. Which statement best describes why the allele frequencies might remain constant in this scenario?
A
There is no selection, mutation, migration, or genetic drift affecting the population.
B
The population is undergoing rapid evolutionary changes.
C
Alleles are being selected for based on environmental changes.
D
There is a high rate of mutation introducing new alleles into the population.
Correct Answer
Option A
Detailed Explanation
In a Hardy-Weinberg equilibrium, allele frequencies remain constant because there are no evolutionary forces such as selection, mutation, migration, or genetic drift affecting the population.
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