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Hardy-Weinberg law

[hahr-dee-wahyn-burg]
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noun Genetics.
  1. a principle stating that in an infinitely large, randomly mating population in which selection, migration, and mutation do not occur, the frequencies of alleles and genotypes do not change from generation to generation.

Origin of Hardy-Weinberg law

1945–50; named after English mathematician G. H. Hardy and German physician Wilhelm Weinberg (1862–1937), who independently formulated it
Also called binomial law, Hardy-Weinberg distribution.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
hardy-weinberg law in Medicine

Hardy-Weinberg law

(-wīnbərg)
n.
  1. A fundamental principle in population genetics stating that the genotype frequencies and gene frequencies of a large, randomly mating population remain constant provided immigration, mutation, and selection do not take place.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

hardy-weinberg law in Science

Hardy-Weinberg law

[härdē-wīnbûrg]
  1. A fundamental principle in population genetics stating that the genotype frequencies and gene frequencies of a large, randomly mating population remain constant provided immigration, mutation, and selection do not take place. In the simple case of a chromosome locus with two alleles, A and a, with frequencies p and q respectively, the frequency of the homozygotic genotype AA under random mating will be p2, of heterozygotic Aa will be 2pq, and of homozygotic aa will be q2. The law is named for its formulators, British mathematician Godfrey Harold Hardy (1877-1947) and German physician Wilhelm Weinberg (1862-1937).
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.