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Genetic variance
Genetic variance
is a concept outlined by the
English
biologist
and
statistician
Ronald Fisher
in his
Fisher's fundamental theorem of natural selection
which he outlined in his 1930 book
The Genetical Theory of Natural Selection
which postulates that the rate of change of
biological fitness
can be calculated by the genetic variance of the fitness itself. Fisher tried to give a statistical formula about how the change of fitness in a
population
can be attributed to changes in the
allele frequency
. In his 1997 paper Lessard pointed out that Fisher had made no restrictive assumptions in his formula concerning fitness parameters,
mate choices
or the number of
alleles
and
loci
involved.
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