2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Kev haus luam yeeb tau tau sim ua kom pom cov cellular DNA puas thiab cov lej thiab cov qauv chromosomal anomalieshauv cov qauv tsiaj txhu thiab prokaryotic, suav nrog hauv vitro thiab hauv vivo systems [5– 7].
Kev haus luam yeeb puas cuam tshuam rau chromosomes?
Tshaj Tawm: Cov pa luam yeeb hauv ib lossis ob lub puffs ntawm luam yeeb tuaj yeem ua rau DNA tawg thiab ua rau lub cell chromosomes, ua rau kev hloov pauv tsis tau ntawm cov ntaub ntawv caj ces yog dhau mus rau ib lub cell tshiab, raws li University of Pittsburgh cov kws tshawb fawb.
Kev yug me nyuam los ntawm kev haus luam yeeb yog dab tsi?
Kev haus luam yeeb ua rau koj muaj kev pheej hmoo ntawm cov ntshav txawv txav thaum cev xeeb tub thiab yug menyuam. Qhov no tuaj yeem ua rau koj thiab koj tus menyuam muaj kev phom sij. Kev haus luam yeeb ua rau koj tus menyuam muaj kev pheej hmoo rau kev yug menyuam, suav nrog daim di ncauj, cleft palate, lossis ob qho tib si. Qhov cleft yog qhov qhib ntawm koj tus menyuam daim di ncauj lossis hauv lub ru tsev ntawm nws lub qhov ncauj (palate).
Dab tsi tuaj yeem ua rau chromosomal abnormalities?
Kev txawv txav chromosomes feem ntau tshwm sim los ntawm ib qho yuam kev thaum lub sij hawm faib cell .…
Chromosome abnormalities feem ntau tshwm sim vim ib los yog ntau tshaj ntawm no:
- Yam yuam kev thaum faib cov hlwb sib deev (meiosis)
- Yam yuam kev thaum faib lwm lub hlwb (mitosis)
- raug rau cov tshuaj uas ua rau yug tsis xws luag (teratogens)
Kev haus luam yeeb ua rau muaj kab mob caj ces?
Txoj kev tshawb fawb tsiaj muab pov thawj ntseeg tau tias kev haus luam yeeb cuam tshuam ncaj qha germline mutations thiab yog li kev haus luam yeeb yuav yog ib qho txiaj ntsig rau qhov tshwm sim ntawm cov kab mob caj ces.
Pom zoo:
Cov tshuaj tiv thaiv kab mob puas muaj kev nyab xeeb rau cov neeg haus luam yeeb?
Los yog kuv yuav tsum tos kom txog thaum kuv txhaj koob thib ob? Zoo, koj tsis tau qhia tias koj yuav haus luam yeeb dab tsi. Tab sis qhov tseeb tsis muaj teeb meem. Kev haus luam yeeb, feem ntau - yog tshuaj maj, luam yeeb lossis los ntawm vape - tsis tau paub tias cuam tshuam ncaj qha rau qhov ua tau zoo ntawm cov tshuaj tiv thaiv.
Puas yog haus luam yeeb lossis haus luam yeeb?
Koj yuav pom ntau yam (thiab qee zaum coj txawv txawv) cov ntawv sau rau Lub Roob Smoky Loj (kev sau raug). Lawv yog hu ua Smokies luvthiab lawv feem ntau sau tias "Smokey" Roob los ntawm cov nyob sab hnub poob North Carolina ntawm cov roob.
Kev haus luam yeeb puas ua rau mob leukemia?
Cov Lus Qhia: Cigarette kev haus luam yeeb yog cuam tshuam nrog kev pheej hmoo ntawm leukemiathiab tuaj yeem ua rau leukemias ntawm qee hom morphologic thiab chromosomal. Dab tsi yog qhov ua rau mob leukemia? Thaum qhov tseeb ua rau mob leukemia - lossis ib qho mob qog noj ntshav, rau qhov teeb meem - tsis paub, muaj ntau yam kev pheej hmoo uas tau txheeb pom, xws li raug hluav taws xob, mob qog noj ntshav yav dhau los kev kho mob thiab muaj hnub nyoog tshaj 65 xyoo.
Puas yog txawv txawv thiab txawv txawv lossis cov lus sib txawv?
Cov lus txawv txawv thiab txawv txawv yog synonyms, tab sis txawv ntawm nuance. Tshwj xeeb, alienate tej zaum yuav los yog tsis qhia kev sib cais tab sis ib txwm hais txog kev poob kev hlub lossis kev txaus siab. Dab tsi yog lub ntsiab lus ntawm alienate?
Kev haus luam yeeb puas ua rau mob hauv siab?
Kev haus luam yeeb kuj ua rau koj muaj kev pheej hmoo ntawm kev tsim atrial fibrillation (afib), lub plawv dhia tsis zoo uas tuaj yeem ua rau mob hauv siab thiab ua rau mob stroke. Kev mob hauv siab los yog nruj kuj tuaj yeem yog ib qho cim ntawm kab mob ntsws xws li COPD lossis mob ntsws cancer.
