Tese tine shamwari iyoyo iri kukwanisa kuona isina kunaka poindi ipi neipiAngave anotsvedza matombo pamucheto wemapopoma akanaka, kana munhu asingafadzi pamutambo neshamwari.
Zvakanaka, maererano neimwe kutsva kutsva, shamwari yedu yaigona kuve yakazvarwa yakadaro.
Masayendisiti anobva kuYunivhesiti ye British,Columbia, vakaratidza kusiyana kwemajini, inonzi musiyano ADRA2b, iyo mamiriro ezvinhu vamwe vanhu kuti vatarise pane zvisina kunaka
«Ichi ndicho chidzidzo chekutanga chekuona kana musiyano uyu wemagineti unogona kukanganisa zvakanyanya maonero anoita vanhu nyika«Anodaro Rebecca Todd, chiremba wepfungwa anotarisira chidzidzo ichi.
«Migumisiro (anoenderera achitaura muchitaurwa chake) inoratidza kuti vanhu vanonzwa manzwiro nezvepasi ravanogara, muchidimbu, kuburikidza nemagirazi e "kara-jeni" uye kuti misiyano yezvipenyu pahunhu hwenzvimbo inogona kutora chinzvimbo chakakosha mukusiyana kwemumwe mukuona. »
Zvekudzidza, iyo inobudiswa mumagazini Psychological Science , vaongorori yaive ne207 vatori vechikamu, vakaoneswa mazwi akanaka, asina kwavakarerekera uye asina kunaka, zvekuti vaigona kungovatarisa, uye vanhu vane ADRA2b geni vainyanya kuona mazwi asina kunaka zviri nyoreUye zvakare, vakaona kuti vese vari vaviri vakakwanisa kusiyanisa zvirinani mazwi akanaka pane asina kwaakarerekera.
Neraki, zvinoita sekunge kwete chete magene anoita kuti mumwe munhu aone zvakashata zvinhu muhupenyu, zvakatipoteredza zvinhu zvinoitawo basa rakakosha, saka kana geni redu riri rechisikigo detector yezvinhu zvisina kunaka, tinogona kufunga nezvekuzvirovedza pachedu kuti tishaye simba, asi kana tikamira kufunga, tinogona zvakare kusvika pamhedziso yekuti iri geni rinogona kuve nechinangwa chekushanduka, sezvo , ndizvo zvinotibvumira kuti tizive nezvengozi dzinogona kuitika dzenyika yakatipoteredza.
Inobatsira kana kwete, haisi yekuona iyo bhodhoro hafu izere kana hafu isina chinhu, asi nezvekudzidza kuti ungaizadza sei kana tichida, uye parizvino, hapana ADRA2b inotipa mamiriro ekuti tirege kudaro.
Chinyorwa chakanyorwa na Estíbaliz del Val Villamor. Mamwe mashoko nezvake pano.