Albino neeg: tsis txhob ntshai lawv?

Txiv neej yeej xav nyob rau hauv ib yam dab tsi tsis paub thiab txawv txawv. Yog li ntawd, cov neeg no yeej ib txwm nyiam mus xws li tej yam ntuj tso phenomena li cov dawb crows, mos lwj, dawb nas thiab nab. Tej tsiaj hais tias yuav tej yam yees siv, muaj Vajtswv lub hwj chim.

Raws li rau cov neeg, daj Khab thiab negros saib rau peb, yam tsawg kawg, coj txawv txawv. Heev feem ntau lawv yog qhov ua rau ntawm lus xaiv thiab u, hmoov tsis, yog tsis yog ib tug zoo kev taw qhia. Cia peb kawm saib yog leej twg albino - cov txiv neej thiab cov tsiaj, thiab hais tias lawv ua tau sawv cev.

Albinism - ib tug kev tshuaj ntsuam genetic tsis meej, tus neeg sab nraud cov tsos mob ntawm uas yog tus tsis muaj xim ntawm daim tawv nqaij, plaub hau, thiab irises ntawm ob lub qhov muag.

Raws li statistics, hais txog ib tug neeg nyob rau hauv 20,000 nyob yug los nrog txig cov plaub hau dawb, daim tawv nqaij, thiab plaub muag. Chiv, nws nkawd hais tias cov neeg albino nrog liab ob lub qhov muag. Zoo li cov xim nkawd thiaj vim hais tias cov hlab ntsha ntawm lub ceev ceev thiab hauv qab ntawm lub translucent thiab muab ib tug zoo xws li cov ntxoov ntxoo ntawm koj ob lub qhov muag.

Qhov tseeb yog hais tias cov neeg tsis tsim melanin - cov xim uas muab xim peculiar haiv neeg. Lawv feem ntau yug los tsis tau tsuas yog Europeans, tab sis kuj nyob rau hauv cov tsev neeg ntawm Khab thiab dub.

Tej zaum lub sijhawm tshwm sim thaum uas ib tug neeg tau tsim ib nrab albinism (tsis txaus tus nqi ntawm xim), vim hais tias nws muaj lub teeb xiav ob lub qhov muag thiab daj hau. Yog hais tias tus mob yog tshwm los ntawm tus neeg sawv cev ntawm lub Negroid haiv neeg, nws daim tawv nqaij yuav tsis zoo xws luag.

Albino neeg raug kev txom nyem los ntawm lub siab rhiab heev ntawm lub qhov muag. Lawv yuav tsum nco ntsoov hnav looj tsom iav dub. Qhov no rhiab heev kuj siv rau ntawm daim tawv nqaij, uas ua rau yus sai rov tshwm sim ntawm kev kub nyhiab. Lawv uas yooj yim rau daim tawv nqaij cancer.

Yog hais tias peb kawm txog tej ua hais tias muab nce mus rau xws anomalies, yog tsim nyog sau cia hais tias albinism - ib tug kab mob uas tshwm sim thaum ib tug neeg tau los ntawm leej niam leej txiv muaj lub noob. Thiab ib tug ntawm lawv tej zaum yuav ua tau ib tug albino, thiab lwm yam - tsuas yog cov cab kuj. Tsis tas li ntawd, cov niam txiv yuav ua tau neeg zoo tib yam, tab sis yog hais tias lawv yog raws li nyob rau hauv lub noob, qhov tshwm sim rau cov me nyuam yug ntawm tus me nyuam albino yog 25%. Albino neeg tsis yog yug, yog tsawg kawg yog ib leej niam leej txiv muaj lub noob yog tsis tuaj kawm ntawv.

Nyob rau nruab nrab, nyob rau hauv lub ntiaj teb no heev heev ntawm xov xwm: txog 1 tug neeg ntawm 70.

Tam sim no peb yuav tsum xav txog yog vim li cas cov neeg no - dawb? Lub fact tias cov dawb xim - nws tsis nrag, thiab nws qhaj ntawv. Noob, uas twb tau sib tham txog saum toj no, yog tus tsis ncaj ncees lawm lus qhia, uas yog siv rau cov synthesis ntawm ib qho enzyme uas txhawb zus tau tej cov melanin. Nws yog hu ua tyrosinase. Thiab cov neeg albino tsiag ntawv los ntawm qhov tseeb hais tias lawv muaj qhov no enzyme yog tsim nrog los yog kho raws, los yog nrog ib tug tsawg theem ntawm kev ua si.

Txawm li cas los, nws yog ib qho tseem ceeb yuav tau nco ntsoov hais tias qhov no caij yog ib qho tseem ceeb rau tus kab mob kuj vim hais tias dab tsi yog muab kev koom tes nyob rau hauv tej qhov tseem ceeb dab xws li protein synthesis, thiab ntau lwm yam tshuaj.

Vim hais tias cov tib neeg muaj albino, nyob rau hauv tas li ntawd mus rau sab nraud tsis xws luag kuj yog ib tug ntau ntawm metabolic mob, tsis muaj zog, raws li zoo raws li lub malfunction ntawm siab ntsws tseem ceeb.

Nrog kev hwm rau tej neeg ua ntej muaj ib tug ntau ntawm myths xwb thiab superstitions. Lawv hu ua "Hmo ntuj tus neeg" vim hais tias lawv supposedly yuav tsis tshwm sim nyob rau hauv lub hnub ci. Txawm li cas los, raws li peb paub, qhov no yog ib tug kiag li to taub yog vim li cas: lawv daim tawv nqaij yog heev rau lub kev txiav txim ntawm lub teeb.

Tsis tas li ntawd, muaj ntau yam ntseeg hais tias lawv yuav raug pov rau ib tug tuag thaum ntxov. Ntawm cov hoob kawm, lawv muaj ib tug ntau yam ntawm cov kab mob, vim hais tias tej zaum nws yuav tsum xws li ib tug assumption. Tab sis nyob rau hauv Feem ntau, lawv lub neej expectancy yog tib yam li hais tias ntawm cov neeg uas muaj tej tawv nqaij xim.

Yav tas los, lawv ntshai heev. Tam sim no txhua leej txhua tus paub cov neeg no yog albino, thiab yog dab tsi lawv cov xwm, vim hais tias lawv ntshai nws ua rau tsis muaj kev txiav txim zoo.