Ntxiv rau qhov chromosome poob lossis nce, chromosomes tuaj yeem hloov pauv tau yooj yim, uas yog lub npe hu ua kev txawv txav. Muaj ntau yam kev txawv txav tshwm sim. Kev hloov pauv tshwm sim thaum ib qho ntawm ib qho chromosome tawg thiab txuas mus rau lwm chromosome.
Yuav ua li cas yog tias tus qauv chromosome hloov pauv?
Cov qauv chromosome txawv txav tshwm sim thaum ib feem ntawm chromosome ploj lawm, ib feem ntawm chromosome ntxiv, lossis ib feem tau hloov chaw nrog lwm qhov. Thaum kawg, qhov no ua rau muaj cov khoom siv caj ces ntau dhau los yog tsawg dhau. Nov yog qhov ua rau muaj qee qhov kev yug me nyuam.
Puas tuaj yeem hloov pauv tus neeg DNA?
Muaj ob txoj hauv kev sib txawv ntawm cov noob kho yuav raug siv rau tib neeg. Gene therapy, lossis somatic gene kho, hloov DNA hauv hlwb ntawm tus neeg laus lossis menyuam yaus los kho tus kab mob, lossis txawm sim txhim kho tus neeg ntawd hauv qee txoj kev.
Kev hloov pauv chromosomal yog dab tsi?
Cov qauv kev txawv txav yog thaum ib feem ntawm tus neeg chromosome ploj lawm, ntxiv, hloov mus rau lwm chromosome, lossis tig rov qab. Chromosomal abnormalities tuaj yeem tshwm sim raws li kev sib tsoo thaum lub qe los yog cov phev tsim los yog thaum lub sij hawm loj hlob ntawm tus me nyuam hauv plab.
Can chromosomes hloov tau tom qab yug me nyuam?
Cov qauv kev hloov pauv tuaj yeem tshwm sim thaum lub sijhawm tsim cov qe lossis cov phev hlwb, thaum ntxov fetal kev loj hlob, lossis hauv txhua lub cell tom qab yug me nyuam. DaimDNA tuaj yeem hloov kho hauv ib chromosome lossis hloov ntawm ob lossis ntau dua chromosomes.
