Tsuas yog kev hloov pauv uas tseem ceeb rau kev hloov pauv loj yog cov uas tuaj yeem kis mus rau cov xeeb ntxwv. Cov no tshwm sim hauv cov qe menyuam yaus xws li qe thiab phev thiab hu ua kab kab hloov pauv. Tsis muaj kev hloov pauv tshwm sim hauv phenotype. Qee qhov kev hloov pauv tsis muaj qhov cuam tshuam rau qhov phenotype ntawm cov kab mob.
Can mutations hloov lub sijhawm?
Txawm tias kev hloov pauv tuaj yeem ua rau hloov pauv hloov pauv, tshwj xeeb tshaj yog nyob rau hauv cov neeg me, los ntawm kev tshem tawm cov tib neeg uas tuaj yeem nqa cov alleles hloov ntawm lwm cov noob.
Can mutations hloov?
Kev hloov pauv yog ib qho hloov pauv hauv cov caj ces. Kev hloov pauv suav nrog kev hloov pauv me me raws li kev hloov pauv ntawm tib DNA lub tsev thaiv, lossis nucleotide puag, nrog rau lwm lub hauv paus nucleotide. Lub caij no, kev hloov pauv loj tuaj yeem cuam tshuam ntau cov noob ntawm chromosome.
Puas genetic mutations hloov tau?
Txawm tias koj yug los muaj cov noob noj qab haus huv, qee qhov ntawm lawv tuaj yeem hloov pauv tau (mutated) dhau ntawm koj lub neej. Cov kev hloov pauv no ua rau feem ntau ntawm cov mob qog noj ntshav. Qee qhov kev hloov pauv tuaj yeem tshwm sim los ntawm tej yam uas peb raug rau hauv peb ib puag ncig, suav nrog luam yeeb, hluav taws xob, tshuaj hormones, thiab kev noj haus.
Kev hloov pauv puas tuaj yeem thim rov qab?
Reversions yog kev hloov pauv caj ces uas thim rov qab cov txiaj ntsig ntawm kev hloov pauv. Qee qhov revertants yog vim kev hloov pauv ntawm cov noob txawv ntawm qhov uas muaj qhov hloov pauv qub. Reversion tshwm sim thaum lubCov teebmeem ntawm ib qho kev hloov pauv yog tawm tsam los ntawm kev hloov pauv thib ob.
