A rarest launi da idanu - abin da yake da shi?

Kamar yadda ka sani, da idanu su ne madubi na mutum rai. Yana da su su mu biya musamman da hankali a kan aiwatar da interpersonal sadarwa. Da kuma masu kashe-launi da idanu zai babu makawa tafiyar da yawa mamaki da kuma admiring kamannuna. To, abin da yake da shi - da rarest ido launi?

Amsawa ga ban sha'awa tambaya na abin da launi ne rarest ido, dole ne ka farko ambaci cewa abin da kayyade inuwa daga cikin Iris. Duk da al'amarin a cikin pigment, kira melanin - da adadin da siffofin da ido launi ne m da hereditary dalilai. A mafi melanin a cikin jiki, da duhu da mutum ido.

Halittu masu rai suna halin da rashi na pigment, kira albinos da jan ido da kuma launi. Nazarin ya nuna cewa shi ne mai duhu inuwa daga cikin Iris ne da rinjaye, wanda ya bayyana da ya bayyana predominance haske. Saboda haka, duniya ne fiye da duhu-sa ido mutane. A jari na melanin iya a tare da wani hankali canji a ido launi cikin rayuwar dan Adam. Kusa da su shekaru dafa iya zama mafi whitish, wanda ake dangantawa da asarar nuna gaskiya da wani da ake kira mesodermal Layer.

Saboda haka, kamar yadda statistics nuna, da rarest ido launi a duniya - kore. Bã su da kawai 2% na yawan jama'ar, mafi yawa mazaunan arewacin Turai. Har ila yau da rarest ido launi ne muhimmi a cikin Turks da Icelanders. Da kwayoyin mutane genetically predisposed ga ci gaban da karami adadin melanin.

Da aka fi gane ruwan kasa. Idan muka magana game da yawan jama'a na kasar, game da rabin shi yana da launin toka idanu. Brown-sa ido ne a kwata na mazaunan Rasha, blue da kuma tabarau na blue Iris halayyar 15-20% na al'ummar jihar. A rarest launi da idanu to Russia sake kore.

Wani rare ido launi, kafa a sakamakon kwayoyin maye gurbi, shi ne m. A yaro haife tare da irin wannan sabawa, a haihuwa ne gaba daya misali inuwa Iris: blue, da launin toka, ko ruwan kasa. Amma a cikin watanni shida, ya hankali canza, nemowa da launi shunayya. Ganiya da wannan tsari da a mafarki, a lõkacin da gannai zama duhu purple ko Violet-blue inuwa. Human hangen nesa irin Pathology yana da babu albarkacin tasiri, wanda shi ne ba da zuciya da jijiyoyin jini tsarin (da yawa masu Violet inuwa idanu sha m cututtuka na Sphere). The haske wakilin su ne almara Elizabeth Taylor.

A ƙarshe, ya kamata a lura da cewa babban ido launuka suna gwada da 'yan. Wadannan za a iya dauke ruwan kasa, blue, da launin toka da kuma kore. Amma su launuka akwai mutane da yawa, da kuma kowane daya ne musamman. Idan muka magana game da sabon abu ido launi - shunayya, da ja - su ne wajen wani sakamako na munanan kuma suna dauke da wani buɗi na atypical canje-canje a cikin jiki. A daidai wannan lokaci da rarest ido launi - kore, sakamakon daga kananan adadin melanin, ba za a dauke wani sabawa daga na kullum.