Nws tus poj niam, Elizabeth Smith, kuj yog tus neeg nqa khoom rau tus kab mob tsawg heev, thiab plaub ntawm lawv xya tus menyuam yog xiav. Tom qab kev yug me nyuam ntau heev nyob rau hauv kev sib cais-lawv tus tub tau yuav nws tus phauj, piv txwv li- ib tug loj pedigree ntawm "xiav" ntawm ob tug poj niam txiv neej sawv.
Puas muaj xiav Fugates tseem muaj sia?
Qhov kawg hauv txoj kab ncaj qha ntawm Fugates kom tau txais cov noob yog Benjamin "Benjy" Stacy, nws daim tawv nqaij thaum yug los yog "xiav li Lake Louise," raws li kws kho mob thaum lub sijhawm. Nws nyob Alaska, raws li Facebook.
Puas muaj tib neeg daim tawv nqaij xiav?
Yog, nws hloov tawm, thiab ib tsev neeg nyob hauv Appalachia tau muaj mob rau ntau tiam neeg. Hauv lawv cov ntaub ntawv, daim tawv nqaij xiav yog ua los ntawm cov kab mob tsis tshua muaj caj ces hu ua methemoglobinemia. Methemoglobinemia yog ib yam kab mob ntshav uas ua rau muaj qhov txawv txav ntau ntawm methemoglobin - ib daim ntawv ntawm hemoglobin - raug tsim.
Tus neeg xiav kawg nyob thaum twg?
Tus txiv neej uas tua rau hauv Internet muaj koob meej ntau xyoo dhau los tom qab tshwm sim hnub no los tham txog tus mob uas ua rau nws daim tawv nqaij mus tas li xiav xiav tau tuag. Paul Karason yog 62 thaum nws tuag hnub Monday hauv Washington tsev kho mob, qhov chaw nws tau mus pw hauv lub lim tiam dhau los tom qab mob plawv.
Puas yog daim tawv nqaij xiav autosomal recessive?
Tus autosomal recessive disorder ua rau ntau tshaj methaemoglobin hauv cov ntshav, uas txwv covCov pa oxygen xa mus rau cov hlwb thiab ua rau cov tawv nqaij xiav, daim di ncauj ntshav thiab cov ntshav chocolate-xim av.