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Fisherian runaway
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Fisherian runaway
Fisherian
or
Fisher's runaway
, first proposed by
Ronald Fisher
in the early 20th century, is a hypothesized genetic
sexual selection
mechanism for the
evolution
of exaggerated male ornamentation (a subtype
secondary sexual characteristic
) observed in numerous
species
that produce
offspring
through
sexual reproduction
; based upon
female choice
, the preference or attraction of females for ornamented male mates.
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