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Hardy-Weinberg Equilibrium

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Encyclopedia of Sexual Psychology and Behavior

  • 19 Accesses

Synonyms

Alleles; Genes; Individual; Population; Probability

Definition

Hardy-Weinberg equilibrium states that the relative frequency of different kind of genes in the gene pool of a large randomly mating population remain constant from generation to generation when no evolutionary forces operate such as natural selection, mutation, and gene flow.

Understanding the Hardy-Weinberg Law

Let us assume a panmictic population having allele A and a. Its numerical proportion in the population out of 100% is described in Table 1.

Table 1 Relationship between genotype frequency and allele frequency (Rastogi, 2018)
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Reference

  • Rastogi, V. B. (2018). Organic evolution (3rd ed.). MEDTECH.

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Authors and Affiliations

  1. Department of Zoology, Maharaj Singh PG College, Maa Shakumbhari University, Saharanpur, Uttar Pradesh, India

    Govind R. Chaudhary

  2. Cytogenetics Laboratory, Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi, Uttar Pradesh, India

    Akanksha Pandey

Authors
  1. Govind R. Chaudhary
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  2. Akanksha Pandey
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Corresponding author

Correspondence to Govind R. Chaudhary .

Editor information

Editors and Affiliations

  1. Department of Psychology, Oakland University, ROCHESTER, MN, USA

    Todd K. Shackelford

Section Editor information

  1. Department of Psychology, Oakland University, Rochester, MI, USA

    Todd K. Shackelford

  2. Oakland University, Rochester, MI, USA

    Gavin Vance

  3. Department of Psychology, Oakland University, Rochester Hills, MI, USA

    Madeleine K. Meehan

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Chaudhary, G.R., Pandey, A. (2023). Hardy-Weinberg Equilibrium. In: Shackelford, T.K. (eds) Encyclopedia of Sexual Psychology and Behavior. Springer, Cham. https://doi.org/10.1007/978-3-031-08956-5_93-1

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  • DOI: https://doi.org/10.1007/978-3-031-08956-5_93-1

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-031-08956-5

  • Online ISBN: 978-3-031-08956-5

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