Saturday, June 30, 2012

Hardy-Weinberg Law of Equilibrium

G.H Hardy an English Mathematician and W.Weinberg a German Physician developed  the law of equilibrium which became the foundation of modern population genetics.

The law of equilbrium is based on the principle that given certain assumptions the proportions of genotypes will remain constant from generation to generation.The following are the six conditions that must be assumed so that the Hardy-Weinberg equilibrium can be maintained.

1. Mating is at random any individual has an equal chance of mating with any other individual in the population.

2.All matings have the same fertility.

3.Natural selection is not acting on the alleles under study.

4.There is no overlap between generations.

5.The population is infinitely large.

No  human population meets all these six conditions but in order to carry out scientific analysis these conditions are assumed.

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