Mary Allen
Gabatarwa: Sirrin Farin Jawo
Launi na Jawo zomo na iya bambanta sosai, kama daga baki zuwa launin ruwan kasa, launin toka, har ma da shuɗi. Duk da haka, ɗayan launuka masu ban sha'awa shine fari. Ana neman fararen zomaye sosai, kuma an yi amfani da gashin su tsawon ƙarni a cikin masana'antar yadi. Amma menene dalilin bambancin launin su? A cikin wannan labarin, za mu bincika kwayoyin halitta da ilmin halitta a bayan launin gashi na zomo, tare da mai da hankali kan nau'in farin-fur phenotype.
Halin Halitta na Zomo Launi
Launin rigar zoma yana ƙayyade ta hanyar haɗaɗɗun nau'ikan abubuwan halitta, waɗanda suka haɗa da kasancewar ko rashi na launuka daban-daban, matakin samar da melanin, da bayyanar cututtuka daban-daban. A mafi mahimmancin matakin, akwai manyan nau'ikan pigment guda biyu waɗanda ke ba da gudummawa ga launin gashi na zomo: eumelanin da pheomelanin. Eumelanin yana da alhakin baƙar fata da launin ruwan kasa, yayin da pheomelanin ke samar da launin ja da orange. Ma'auni na waɗannan pigments, da kuma rarraba su a ko'ina cikin Jawo, na iya bambanta sosai tsakanin zomaye na nau'o'i daban-daban da kuma kwayoyin halitta.