Yog tias qhov hloov pauv tau tshwm sim hauv qe lossis phev cell, nws tuaj yeem dhau mus rau tus neeg cov xeeb ntxwv. Thaum ib qho kev hloov pauv tau dhau mus, nws yog kev hloov pauv hloov pauv. Tau txais kev hloov pauv tsis dhau yog tias lawv tshwm sim hauv cov hlwb somatic, txhais tau hais tias lub cev hlwb tsis yog cov phev hlwb thiab qe qe.
Yuav ua li cas hloov pauv mus rau cov xeeb ntxwv?
Ib txhia kev hloov pauv yog keeb kwm vim lawv tau dhau mus rau cov xeeb ntxwv los ntawm niam txiv nqa kev hloov pauv los ntawm kab kab mob, txhais tau tias los ntawm lub qe lossis cov phev cell nqa qhov kev hloov. Kuj tseem muaj kev hloov pauv uas tsis muaj keeb kwm tshwm sim hauv cov hlwb sab nraud ntawm kab kab mob, uas yog hu ua somatic mutations.
hom kev hloov pauv twg kis mus rau cov xeeb ntxwv?
Kab-kab hloov pauv tshwm sim hauv cov qe menyuam yaus (phev lossis qe) thiab kis mus rau cov menyuam hauv plab thaum yug menyuam. Somatic kev hloov pauv tshwm sim hauv cov hlwb uas tsis muaj menyuam; Lawv kis mus rau cov menyuam ntxhais thaum lub sij hawm mitosis tab sis tsis mus rau cov xeeb ntxwv thaum lub sij hawm kev sib deev.
Puas muaj kev hloov pauv mus rau cov xeeb ntxwv thaum lub sij hawm mitosis?
Kev hloov pauv tsis tauthiab kis mus rau tus ntxhais hlwb thaum lub sijhawm mitosis. Qee cov noob tau koom nrog hauv kev saib xyuas cov qauv kev loj hlob ntawm tes.
Nyob rau hauv qhov xwm txheej twg yuav tau txais cov noob hloov pauv?
Lawv tshwm sim los ntawm kev hloov pauv hauv cov qauv ntawm cov protein uas tau sau tseg-xws li kev txo qis lossis ua tiav ntawm nws qhov kev qhia-raws li DNA ib ntus raug theej. Kev hloov pauv tuaj yeem tau txais los ntawm ib tus neeg cov niam txiv lom neeg, lossis tau txais tom qab yug los, feem ntau tshwm sim los ntawm ib puag ncig ua rau.