Txoj kev hloov pauv yog ib pawg loj ntawm kev hloov pauv uas piav qhia txog kev hloov pauv hauv ib qho nucleotide ntawm DNA, xws li cov nucleotide hloov mus rau lwm nucleotide, lossis cov nucleotide raug tshem tawm, lossis ib qho nucleotide tau muab tso rau hauv DNA uas ua rau DNA sib txawv ntawm cov noob caj noob ces ib txwm los yog tsiaj qus…
Yuav ua li cas piv txwv ntawm kev hloov pauv hloov pauv?
Cov ntsiab lus
- 4.1 Cancer.
- 4.2 Neurofibromatosis.
- 4.3 Sickle-cell anemia.
- 4.4 Tay–Sachs tus kab mob.
- 4.5 xim dig muag.
3 hom kev hloov pauv yog dab tsi?
Types of Mutations
Muaj peb hom DNA Mutations: base hloov, tshem tawm thiab ntxig.
Kev hloov pauv twg yog qhov hloov pauv?
Muaj ob hom kev hloov pauv: kev hloov pauv hloov pauv thiab hloov pauv hloov pauv. Kev hloov pauv tshwm sim thaum lub hauv paus pyrimidine (piv txwv li, thymine [T] lossis cytosine [C]) hloov pauv rau lwm lub hauv paus pyrimidine lossis thaum lub hauv paus purine (piv txwv li, adenine [A] lossis guanine [G]) hloov rau lwm lub hauv paus purine.
Kev hloov pauv ib qho piv txwv yog dab tsi?
Piv txwv: Sickle-Cell Anemia: Mob ntshav-cell anemia tej zaum yuav yog ib qho teeb meem rov qab los ntawm ib qho kev hloov pauv hauv cov noob uas ua rau hemoglobin, uas nqa oxygen hauv cov ntshav. Nquag, glutamic acid yog tsim nyob rau hauv cov saw, tab sis qhov hloov pauv ua rau valine yuav tsum tau ua ntawmqhov chaw ntawd xwb.
