Applications in Genetics
The de Finetti diagram has been put to extensive use in population genetics by A.W.F. Edwards in his book Foundations of Mathematical Genetics. In its simplest form the diagram can be used to show the range of genotype frequencies for which Hardy-Weinberg equilibrium is satisfied. A.W.F. Edwards and Chris Cannings extended its use to demonstrate the changes that occur in allele frequencies under natural selection.
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