Ntsuab irises muaj qhov tsis tshua muaj melanin theem - tsawg dua "qhov tseeb" xim av, tab sis ntau dua qhov muag xiav. … Thiab thaum 9% yog qhov tsis tshua muaj, lub qhov muag ntsuab muaj qhov muag xim qis dua qhov feem pua ntawm lub ntiaj teb. Tsuas yog 2% ntawm lub ntiaj teb cov pej xeem muaj qhov muag ntsuab, raws li cov ntaub ntawv demography World Atlas.
haiv neeg twg muaj qhov muag ntsuab tshaj plaws?
Qhov loj tshaj plaws ntawm cov neeg qhov muag ntsuab yog nyob hauv Ireland, Scotland thiab Northern Europe. Hauv tebchaws Ireland thiab Scotland, 86% ntawm cov neeg muaj ob lub qhov muag xiav lossis ntsuab. Muaj 16 lub noob tau pom tias ua rau lub qhov muag xim.
Puas qhov muag ntsuab tsawg dua GREY?
Kev tsim cov melanin hauv iris yog dab tsi cuam tshuam qhov muag xim. Ntau melanin tsim cov xim tsaus, thaum tsawg dua ua rau lub qhov muag sib dua. qhov muag ntsuab yog qhov tsawg tshaj plaws, tab sis muaj cov ntaub ntawv qhia tseeb tias qhov muag grey tseem tsawg dua. Qhov muag xim tsis yog ib feem ntawm koj lub ntsej muag xwb.
pes tsawg lub ntiaj teb muaj qhov muag ntsuab 2020?
About 2 feem pua ntawm neeg muaj qhov muag ntsuab. Qhov muag ntsuab muaj ntau tshaj plaws nyob rau sab qaum teb, Central, thiab Western Europe. Kwv yees li 16 feem pua ntawm cov neeg uas muaj qhov muag ntsuab yog Celtic thiab Germanic caj ces. Lub iris muaj cov xim hu ua lipochrome thiab tsuas yog melanin melanin.
Dab tsi yog qhov muag tsis tshua muaj xim?
Green yog xim qhov muag tsawg tshaj plaws ntawm cov xim ntau dua. Tawm ntawm ob peb qhov kev zam, yuav luag txhua tus muaj qhov muag uas yogxim av, xiav, ntsuab los yog qhov chaw nyob nruab nrab ntawm. Lwm cov xim xws li grey lossis hazel tsis tshua muaj.
