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.
