Mary Allen
Kev ua neej nyob nrog albinism lossis albino yog tib neeg lossis tsiaj. Nws daim tawv nqaij thiab plaub hau yog dawb. Cov pigments muab cov xim ntawm daim tawv nqaij thiab plaub hau. Cov no yog cov xim me me uas txhua tus tib neeg ib txwm muaj. Albinos muaj tsawg dua lossis txawm tsis muaj txhua. Yog li ntawd, lawv cov tawv nqaij los yog lawv cov plaub hau yog dawb. Nws tsis yog kab mob, nws tsuas yog ib qho peculiarity. Nws hu ua albinism.
Yog tsis muaj pigments, daim tawv nqaij yog heev rhiab heev rau lub hnub lub rays. Cov neeg uas muaj albinism tau sunburned yooj yim heev. Tias yog vim li cas lawv nyiam nyob hauv tsev lossis tsawg kawg yog muab tshuaj pleev thaiv hnub zoo.
Ntau albinos muaj lwm yam teeb meem, tshwj xeeb tshaj yog nrog lawv ob lub qhov muag. Qee tus pom tau zoo heev, thaum lwm tus dig muag. Squinting tuaj yeem tshwm sim los ntawm albinism. Vim tias tsis muaj xim, albinos 'qhov muag feem ntau yog liab. Qhov ntawd yog qhov tseeb xim ntawm tib neeg lub qhov muag. Qee cov albinos muaj lwm yam kab mob.
Ib tug polar bears tsis yog albino vim hais tias dawb yog nws camouflage xim thiab tag nrho cov polar bears yog dawb. Ib tug dawb penguin, ntawm qhov tod tes, yog albino vim tias feem ntau penguins muaj ntau xim dub lossis xim plaub. Albinism tuaj yeem ua rau muaj kev phom sij heev rau tus tsiaj: ntau tus tsiaj feem ntau muaj camouflage-xim plaub los yog plaub kom lawv tsis sawv hauv ib puag ncig. Predators pom albinos yooj yim dua.
Cov neeg uas muaj albinism yog qee zaum teased lossis ogled. Hauv ob peb lub tebchaws, ntau tus neeg txawm ntseeg txog kev ua khawv koob. Cov neeg no ntshai albinos. Los yog lawv ntseeg tias noj lub cev ntawm albinos yuav ua rau koj noj qab nyob zoo thiab muaj zog. Hauv Tanzania, piv txwv li, kwv yees li 30 tus neeg raug tua txhua xyoo vim qhov no.