MCQ on Hardy Weinberg Equilibrium with Answers (PDF)







Hardy-Weinberg equilibrium is a principle that describes the genetic composition of a population when allele and genotype frequencies remain constant from generation to generation, provided that certain conditions such as random mating, no selection, no mutation, large population size, and no gene flow are met. It serves as a null model for the study of evolutionary processes. This law provides the foundation for calculating genetic variation in populations under ideal conditions. This is an MCQ on Hardy Weinberg Equilibrium with Answers. You can download the Quiz as PDF from the results page.

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MCQ on Hardy Weinberg Equilibrium

1. 
Which of the following is an assumption of Hardy-Weinberg equilibrium?

2. 
If the frequency of allele "A" is p and the frequency of allele "a" is q, which equation represents the Hardy-Weinberg principle for a two-allele system?

3. 
In a population in Hardy-Weinberg equilibrium, the frequency of the dominant allele (A) is 0.7. What is the frequency of the recessive allele (a)?

4. 
If 16% of a population exhibits a recessive phenotype (aa), what is the frequency of the recessive allele (q) in the population?

5. 
Which of the following is NOT a factor that can cause deviation from Hardy-Weinberg equilibrium?

6. 
In a population where 9% of individuals have the recessive genotype (aa), what is the expected frequency of heterozygotes (Aa)?

7. 
Hardy-Weinberg equilibrium can be used to calculate the carrier frequency for a recessive disorder. If the incidence of a recessive genetic disorder is 1 in 10,000, what is the carrier frequency?

8. 
In a population at Hardy-Weinberg equilibrium, the frequency of the homozygous dominant genotype is 0.36. What is the frequency of the dominant allele?

9. 
What does the term 2pq represent in the Hardy-Weinberg equation?

10. 
Which of the following would NOT disrupt Hardy-Weinberg equilibrium in a population?

mcq on hardy weinberg equilibrium

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