2026 Re-NEET EvolutionHardy-Weinberg Principle Easy Question 1 of 8 in Hardy-Weinberg Principle

A population of diploid organisms is at Hardy-Weinberg equilibrium. If the frequency of allele A is 0.1, the frequency of AA is ________.

A 0.01
B 0.02
C 0.1
D 0.99

The answer is A.

Solution

Reference: NCERT Class XII, page 121. Frequency of allele A = p = 0.1. At Hardy-Weinberg equilibrium, frequency of AA = $p^2=(0.1)^2=0.01$.

Concept Hardy-Weinberg principle

Hardy-Weinberg Principle in past papers

8 questions from this chapter have appeared across 8 exam years.