sampling (statistics) the selection of a suitable sample for study
decision,
determination,
conclusion the act of making up your mind about something; "the burden of decision was his"; "he drew his conclusions quickly"
willing,
volition the act of making a choice; "followed my father of my own volition"
election the act of selecting someone or something; the exercise of deliberate choice; "her election of medicine as a profession"
selection -
a passage selected from a larger work; "he presented excerpts from William James' philosophical writings"
selection -
A variety of items taken from a larger collection.
selection -
A musical piece.
Wikipedia
segregating within a population may be subject to selection. Under selection, individuals with advantageous or "adaptive" traits tend to be more successful than their peers reproductively—meaning they contribute more offspring to the succeeding generation than others do. When these traits have a genetic basis, selection can increase the prevalence of those traits, because offspring will inherit those traits from their parents.
OmegaWiki Dictionary
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selection Differential survival and reproduction of phenotypes.
selection A system for either isolating or identifying specific genotypes in a mixed population.
selection A certain assortment of things from which a choice can be made.