🌐EnglishEnglishDeutschEspañolFrançaisItalianoPolskiPortuguêsTiếng ViệtTürkçeالعربيةفارسی中文EntityQ764759· pop 18· linked from 197 articlesDirectional selectiontype of genetic selection favoring one extreme phenotypeAvailable in 17 languagesEspañolFrançais中文PortuguêsItalianoالعربيةBulgarianCzechEstonianGalicianConnectionsCharles DarwinEntitylionEntityCategoriesSelection