e/Fisherian runaway

Information
has gloss	eng: Fisherian runaway is a model of sexual selection, first proposed by R.A. Fisher in 1915 , and expanded upon in his 1930 book The Genetical Theory of Natural Selection , that suggests an explanation for sexual selection of traits that do not obviously increase fitness of survival, based upon a positive feedback "runaway" mechanism.
lexicalization	eng: Fisherian runaway
instance of	(noun) a tentative insight into the natural world; a concept that is not yet verified but that if true would explain certain facts or phenomena; "a scientific hypothesis that survives experimental testing becomes a scientific theory"; "he proposed a fresh theory of alkalis that later was accepted in chemical practices" hypothesis, theory, possibility

Meaning
Japanese
has gloss	jpn: ランナウェイ説（らんなうぇいせつ）とは、進化生物学の理論の一つ。性淘汰の際に配偶者がどう選択されているかを説明する仮説。
lexicalization	jpn: ランナウェイ説

Media
media:img	Oregon zoo peacock male.jpg
media:img	R. A. Fischer.jpg