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The Hardy-Weinberg principle describes the genetic equilibrium in a population.

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Question: The Hardy-Weinberg principle describes the genetic equilibrium in a population. Which of the following is NOT a condition for this equilibrium? (1908)

Options:

  1. No mutations
  2. Random mating
  3. Natural selection
  4. Large population size

Correct Answer: Natural selection

Exam Year: 1908

Solution: 

Natural selection is not a condition for Hardy-Weinberg equilibrium; it actually disrupts genetic equilibrium by favoring certain alleles over others.

The Hardy-Weinberg principle describes the genetic equilibrium in a population.

Practice Questions

Q1
The Hardy-Weinberg principle describes the genetic equilibrium in a population. Which of the following is NOT a condition for this equilibrium? (1908)
  1. No mutations
  2. Random mating
  3. Natural selection
  4. Large population size

Questions & Step-by-Step Solutions

The Hardy-Weinberg principle describes the genetic equilibrium in a population. Which of the following is NOT a condition for this equilibrium? (1908)
  • Step 1: Understand what the Hardy-Weinberg principle is. It describes a situation where a population's genetic makeup remains constant over time.
  • Step 2: Learn the conditions required for Hardy-Weinberg equilibrium. These include: no mutations, random mating, no natural selection, large population size, and no gene flow.
  • Step 3: Identify which of the listed conditions is NOT part of the Hardy-Weinberg equilibrium. In this case, natural selection is the one that disrupts equilibrium.
  • Step 4: Conclude that natural selection is NOT a condition for Hardy-Weinberg equilibrium because it changes allele frequencies by favoring certain traits.
  • Hardy-Weinberg Principle – A principle that describes the conditions under which a population's allele and genotype frequencies remain constant over generations, indicating genetic equilibrium.
  • Conditions for Equilibrium – The five conditions necessary for Hardy-Weinberg equilibrium include no mutations, random mating, no natural selection, extremely large population size, and no gene flow.
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