Kiwon lafiyaGani

All blue-sa ido mutane suna da ha ta abu daya

Akwai jarrabawa cewa blue-sa ido mutane suna da magabata daya. Su ne daɗaɗɗe Turai, wanda shekaru shida zuwa goma shekara dubu. Ya ya gano wani takamaiman kwayoyin maye gurbi, saboda wanda akwai wani zanen da Iris.

Abin da unites da janar blue-sa ido

Da farko, duk mutane sun kasa-kasa-sa ido. Duk da haka, kwayoyin canje-canje, ciki har da wadanda suka shafi OCA2 gene, ya jagoranci zuwa fitowan anin launin ruwan kasa. Bisa ga wadannan bayanai, da masu bincike da aka ƙoƙarin samun tushen da pigment, wanda shi ne alhakin blue idanu a OCA2 gene, amma ga wani wadãtar.

masana harkokin kimiyya, kwanan nan ya yi samu: cikin hanyar da blue-sa ido mutane ta'allaka a HERC2 makwabtaka gene maye gurbi. Wannan shi ne OCA2 gene wanda kayyade adadin melanin (ruwan kasa pigment), babu sakamako a kan saka launi na Iris zuwa blue. Masana kimiyya yi imani da cewa wannan maye gurbi na farko ya faru a lokacin da akwai wani taro hijirarsa mutane daga Afirka zuwa Turai. Yiwu ga bayar da shawarar cewa mutane da idanu shude - zuriyar Turawa suka rayu a zamanin da.

Wannan jarrabawa aka tabbatar da cewa kowane blue-sa ido mutane suna da wannan maye gurbi. Yana bai bayyana hali na cewa magabata.

Archaeologists sami kwarangwal a Arewa na Spain, wanda ya blue idanu. Age kwarangwal - 7000 shekaru. Babu shakka, da idanu da shi da aka samu, amma kayyade bincike ya tabbatar da cewa akwai wani maye gurbi cewa da fentin Iris blue.

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