2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Sickle cell anemia yog ib kab mob pleiotropic vim tias qhov kev qhia ntawm ib hom HBB hloov pauv ua rau muaj ntau yam tshwm sim thoob plaws hauv lub cev.
Puas yog Sickle Cell Anemia antagonistic pleiotropy?
Sickle cell anemia, Beta-thalassemia, thiab cystic fibrosis yog qee qhov piv txwv ntawm lub luag haujlwm antagonistic pleiotropy tuaj yeem ua rau muaj kab mob caj ces.
piv txwv ntawm pleiotropy yog dab tsi?
Ib qho piv txwv dav dav tshaj plaws ntawm pleiotropy hauv tib neeg yog phenylketonuria (PKU). Qhov teeb meem no tshwm sim los ntawm qhov tsis txaus ntawm enzyme phenylalanine hydroxylase, uas yog tsim nyog los hloov cov amino acid tseem ceeb phenylalanine rau tyrosine.
kab mob dab tsi tshwm sim los ntawm pleiotropy?
Ib qho piv txwv ntawm pleiotropy yog Marfan syndrome, tib neeg caj ces cuam tshuam cuam tshuam rau cov ntaub so ntswg sib txuas. Tus kab mob no feem ntau cuam tshuam rau lub qhov muag, lub plawv, cov hlab ntsha, thiab pob txha. Marfan Syndrome yog tshwm sim los ntawm kev hloov pauv hauv tib neeg cov noob uas ua rau pleiotropy.
Pleiotropy piav qhia yog dab tsi?
: qhov tshwm sim ntawm ib tus noob cuam tshuam rau ob lossis ntau qhov sib txawv ntawm cov phenotypic: qhov zoo lossis lub xeev ntawm kev ua pleiotropic Hauv cov noob caj noob ces, muaj lub tswv yim hu ua pleiotropy, uas posits tias ib tus noob tuaj yeem cuam tshuam ntau yam. traits. [
Pom zoo:
Puas yog cov hlwb meristematic muaj cov phab ntsa ntawm cov cell thib ob?
Cov phab ntsa ntawm cov hlwb meristematic yog hom feem ntau raug xaiv los ua cov phab ntsa thawj (Bailey, 1940). Kev saib xyuas zoo tshaj plaws tau muab rau cov phab ntsa ntawm cov hlwb sib txawv ntau dua, tshwj xeeb tshaj yog rau cov hlwb fiber ntau uas muaj kev lag luam tseem ceeb.
Puas yog pernicious anemia ua rau tuag taus?
lo lus "pernicious" txhais tau tias "tuag." Tus mob no hu ua pernicious anemia vim nws feem ntau ua rau tuag taus yav dhau los, ua ntej muaj cov tshuaj vitamin B12. Tam sim no, pernicious anemia feem ntau yog yooj yim kho nrog cov tshuaj vitamin B12 lossis txhaj tshuaj.
Puas yog qe qe yog ib lub cell tshwj xeeb?
Txawm hais tias lub qe tuaj yeem ua rau txhua hom cell hauv cov neeg laus, nws yog nws tus kheej yog lub xovtooj tshwj xeeb heev, tshwj xeeb rau kev ua haujlwm ntawm kev tsim tus neeg tshiab. Lub cytoplasm ntawm lub qe tuaj yeem rov ua dua tshiab ntawm somatic cell nucleus kom lub nucleus tuaj yeem coj txoj kev loj hlob ntawm tus neeg tshiab.
Puas anemia yog ib qho cim ntawm mob qog noj ntshav?
mob qog noj ntshav thiab ntshav ntshav yog txuas rau ntau txoj hauv kev. Rau cov neeg muaj mob qog noj ntshav, tshwj xeeb tshaj yog mob qog noj ntshav lossis mob qog noj ntshav xws li leukemia lossis lymphoma, ntshav ntshav yuav yog ib qho ntawm thawj cov cim qhia ntawmtus kab mob.
Puas yog pernicious anemia tuag taus?
lo lus "pernicious" txhais tau tias "tuag." Tus mob no hu ua pernicious anemia vim nws feem ntau ua rau tuag taus yav dhau los, ua ntej muaj cov tshuaj vitamin B12. Tam sim no, pernicious anemia feem ntau yog yooj yim kho nrog cov tshuaj vitamin B12 lossis txhaj tshuaj.
