A gene that has no selective advantage, or may even be harmful, but that nevertheless temporarily becomes widespread because it is closely linked and coupled with a highly advantageous gene that is strongly selected.

Medical dictionary. 2011.

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  • hitchhiker — n. a person who travels by getting free rides from passing vehicles; one who hitchhikes. [WordNet 1.5] …   The Collaborative International Dictionary of English

  • Hitchhiker — Hitch|hi|ker [...kɐ] der; s, <aus gleichbed. amerik. hitchhiker> (ugs.) jmd., der Autos anhält u. sich umsonst mitnehmen lässt …   Das große Fremdwörterbuch

  • hitchhiker — noun see hitchhike …   New Collegiate Dictionary

  • hitchhiker — said of a fish that seizes hold of a hooked fish as it is it being reeled in …   Dictionary of ichthyology

  • hitchhiker — See hitchhike. * * * …   Universalium

  • hitchhiker — noun A person who hitchhikes …   Wiktionary

  • Hitchhiker — Anhalter; Tramper * * * Hitch|hi|ker 〈[hı̣tʃhaıkə(r)] m. 3〉 = Tramper [engl.] * * * Hitch|hi|ker [ hɪt̮ʃha̮ikɐ ], der; s, [engl. hitch hiker] (selten): Tramper. * * * Hitch|hi|ker [ hɪtʃhaikɐ], der; s, [engl. hitch h …   Universal-Lexikon

  • hitchhiker — Synonyms and related words: ambulator, backpacker, foot passenger, foot soldier, foot traveler, footslogger, hiker, hoofer, infantryman, jaywalker, marcher, paddlefoot, pedestrian, peripatetic, trailsman, tramper, walker, walkist …   Moby Thesaurus

  • Hitchhiker — Hitch|hi|ker 〈[hı̣tʃhaıkə(r)] m.; Gen.: s, Pl.: 〉 jmd., der sein Reiseziel durch Mitfahrgelegenheiten per Anhalter erreicht; Syn. Tramper [Etym.: engl.] …   Lexikalische Deutsches Wörterbuch

  • hitchhiker —    Note hh …   Dictionary of troublesome word