Iinwele eziBomvu, iiFreckles, kunye nezinye iiNzuzo zokuba yiGinger

Yintoni abafana ngayo iNkosana uHarry kunye noLucille Ball? Bobabini ngamalungu aziwayo eklabhu yejinja ekhethekileyo. I-Redheads yindawo enomdla kwabaninzi. Ezinye iindawo zembali zipeyinta abo baneenwele ezibomvu njengamagqwirha anamandla akhohlisayo okanye ezinye ii-harbinger zelishwa. Kwiimeko ezimbalwa, baye bacalulwa ngenxa yokuba kwakucingelwa ukuba abanathamsanqa, okanye ukuba umsindo wabo ongalawulekiyo wawubenza bangalawuleki. Nokuba yeyiphi na imbono yabo yangaphambili, abantu abaneenwele ezibomvu baxhomekeke kwiimpawu ezahlukahlukeneyo, kwaye ezinye zisekelwe kwiinyani.

Imfuza yeenwele ezibomvu

I-Redheads ine-recessive gene ebizwa ngokuba yi-melanocortin-1 receptor, i-MC1R, efumaneka kwi-chromosome 16. Oku kuthetha ukuba ukuba bobabini abazali banalo jini kunye neenwele ezibomvu, kukho ithuba elingaphezu kwama-99 ekhulwini lokuba abantwana babo baya kuba neenwele ezibomvu. Nokuba abazali abanazo iinwele ezibomvu, basenokuphatha ijini ye-MC1R kwaye banabantwana abaneenwele ezijinja. Ngaphezulu koko, iintloko ezibomvu zihlala zinesikhumba esilungileyo kunye namabala amdaka ezemidlalo. Ezo zizinto ezongezelelweyo eziza kunye nofuzo.

Iqela leepesenti ezimbini

Bangaphantsi kwesibini ekhulwini kubemi behlabathi abaneenwele ezibomvu ezinemibala eyahlukahlukeneyo, yaye malunga nesine ekhulwini banomzila wemfuza. INtshona Yurophu ineyona ndawo iphezulu yoxinaniso. IIreland inezona zihlandlo ziphakamileyo, phakathi kwe-10 nama-30 ekhulwini, ilandelwa yiSkotlani, i-10 ukusa kuma-25 ekhulwini, ize iWales, ibe li-10 ukusa kwi-15 ekhulwini. Enye yezona ndawo zibuthathaka kakhulu ze-redheads zikumzantsi-ntshona weNorway, apho imbali icinga ukuba ngumthombo wokuqala wogqabhuko-dubulo lweenwele ezibomvu. Kwiinkulungwane ezadlulayo, iiVikings zathabatha abantu eIreland zabasa kumazantsi eNorway, nto leyo eyaphumela ekwandeni kweentloko ezibomvu.

Ayilunganga eKulukeni

Ngaba ukhe waqaphela iintloko ezibomvu ezimbalwa ezisuka kuMazantsi Yurophu? Kungenxa yokuba i-45th parallel ithathwa njengomda wendalo kunye nongekho semthethweni we-latitudinal weenwele ezibomvu. Abantu baseYurophu baseMazantsi baneempawu ezimnyama, ezibenza babe ngcono ekumelaneni nokwanda kokuvezwa kwe-UV. Ngelishwa, abantu abaneenwele ezibomvu bathanda ukutshisa kunokuba babe ntsundu, nto leyo enokukhokelela kwiingxaki zolusu kamva. Kodwa, ukuba banamabala, oko kunokubalwa njengohlobo oluthile lwetan.

Umbala Wamehlo

Xa abantu bebona iinwele ezibomvu kunye namehlo aluhlaza, bacinga ukuba kunqabile. Nangona kunjalo, oko akuyonyani ngokupheleleyo. Kuvela ukuba ngelixa iinwele ezibomvu kunye nokudibanisa umbala wamehlo zihluka ngokwesini, amadoda aneenwele ezibomvu kunye namehlo aluhlaza avame ukuxhaphaka njengabasetyhini abaneenwele ezibomvu kunye namehlo amdaka. Amehlo aBrown, aluhlaza okwesibhakabhaka kunye naluhlaza abangela uninzi lwemibala yamehlo abantu abaneenwele ezibomvu. Kodwa, kukho indibaniselwano enye ethathwa njengenqabileyo kuzo zombini izini, kwaye leyo yintloko ebomvu enamehlo amnyama.

Umbala weNwele

Abo baye bazama ukudaywa ngeenwele zabo ezibomvu bayazi ukuba kunzima kangakanani. Iinwele ezibomvu zikholisa ukubambelela kumbala wazo kakhulu kunezinye ii-pigments, ngoko zilwa nenkqubo yokudaya. Olu tyekelo lwe-pugnacious lukwasisizathu sokuba abo baneenwele ezibomvu bangayihambi inkqubo 'yokubangwe' njengabanye. Endaweni yoko, babambelela kumbala wabo ixesha elide, kwaye imicu iyancipha ibe yimibala ebomvu ekhanyayo de ibe mhlophe ngokupheleleyo.

Uvakalelo lobushushu

Uphononongo lwafumanisa ukuba xa kufikwa kwiimpendulo kwisivuseleli sobushushu, iintloko ezibomvu zazinovelwano ngakumbi kubanda kunye nobushushu xa zithelekiswa neenwele ezimnyama. Baphinde babona utshintsho kwiqondo lobushushu ngokulula kunabanye. Olu buntununtunu lunokudityaniswa nofuzo lwe-MC1R kwaye lunike abo baneenwele ezibomvu isihloko esingekho semthethweni ‘sethermometer yomntu.’

Ukwenza iVithamin D

Xa kufikwa kwi-synthesis ye-vitamin D, kuyavela ukuba iiredheads ziyenza ngokufanelekileyo ngakumbi, ngenxa yofuzo lwabo lwe-MC1R. Imizimba yabo yafumana iindlela zokwenza ngokufanelekileyo ivithamin D ngeendlela ezithile zokukhusela. Enye into, ukukwazi kwabo ukuvelisa ivithamin kuthetha ukuba akunakwenzeka ukuba babe nezifo ezifana ne-rickets okanye ezinye izifo ezinxulumene nokungabikho kwe-vitamin D. Ukongezelela, amadoda aneenwele ezibomvu angaphezulu kwama-50 ekhulwini amathuba okuba abe nomhlaza wedlala lobudoda kuba ivithamini idla ngokudimaza ukukhula kwayo.

I-Pain Irony

Xa kuziwa kwi-sedation kunye nokulawulwa kweentlungu, ubuchopho babo banenkqubo yeenwele ezibomvu zibuhlungu ngokwahlukileyo kunabanye. Kubonakala ukuba, impendulo ye-stimuli kunye nokulawulwa kwentlungu nganye iphathwa ngamacandelo ahlukeneyo enkqubo ye-nervous central. Xa kufikelelwa kumbandela wokuthomalalisa, abo baneenwele ezibomvu badinga amayeza angama-20 ekhulwini angakumbi okuthomalalisa kunye neyeza lokuthomalalisa, nto leyo eyenza abanye abantu ababomvu bamthiye ugqirha wamazinyo. Kodwa xa kufikwa ekuphatheni iintlungu kumonzakalo othile, basebenzisa iidosi ezisezantsi zababulali beentlungu.

Iinwele ezincinci zeenwele

Iinwele ezibomvu zihlala zijongeka zininzi, zikhokelela abantu ukuba bacinge ukuba iintloko ezibomvu zininzi. Inyaniso yeyokuba abo baneenwele ezibomvu banemisonto emalunga nama-40 ekhulwini kunabo baneenwele ezimnyama, abanokuba naphi na phakathi kwe-130,000 ukuya kwi-140,000 imisonto ngokomlinganiselo. Balungisa loo ntsilelo ngokuba nemicu engqindilili, eyomeleleyo, ukongeza kumbala ohlala ixesha elide.

Ezothando ezingakumbi

Kungakhathaliseki ukuba ngabalingane okanye abangatshatanga, abafazi abaneenwele ezibomvu bavame ukuba nobomi bothando obungcono kunabo bafana ne-blonde kunye ne-brunette. Uhlolisiso olwenziwa yiyunivesithi yaseJamani lwabonisa ukuba amabhinqa aneenwele ezibomvu ayenganeli nje ukuba neentlobano zesini ngakumbi kodwa ayephucuka ngakumbi kuko. Inxalenye yesizathu ibandakanya ubuntununtunu bendalo bomzimba, obubenze ukuba baphendule ngakumbi.