Kev piav qhia: Mitosis tshwm sim hauv 4 qhov kev faib loj: Prophase, Metaphase, Anaphase thiab Telophase. Chromosomes tshwm sim raws li ntev coiled lug thaum pib ntawm prophase thiab tshwm li ib leeg-stranded.
Puas chromosomes ib leeg tso tseg?
Txhua tus chromosome muaj ib zaug ob zaug ntawm DNA nrog rau cov khoom ntim tau hais tseg. … Txawm li cas los xij, thaum eukaryotic hlwb tsis sib faib - ib theem hu ua interphase - cov chromatin nyob rau hauv lawv cov chromosomes tsawg dua ntim.
Dab tsi yog ib qho chromosome stranded hu ua?
Ntxhais chromosomes pib los ntawm ib leeg chromosome uas rov ua dua thaum lub sijhawm sib txuas (S theem) ntawm lub voj voog ntawm tes. Cov chromosome duplicated ua ib ob-stranded chromosome thiab txhua strand yog hu ua chromatid.
Puas chromosomes ib zaug lossis ob zaug tso rau hauv telophase?
Chromosomes yog ob npaug tso rau hauv Prophase thiab metaphase thiab ib leeg tso rau hauv anaphase thiab telophase Cov ntawv luam zoo ib yam ntawm chromosome uas txuas ua ke ntawm lub centromere. thaj tsam ntawm chromosome uas ob tug muam chromatids koom nrog; muaj kinetochore.
Puas chromatin loj dua chromosome?
Chromatin Fibers yog Ntev thiab nyias. Lawv yog cov txheej txheem uncoiled pom nyob rau hauv lub nucleus. Chromosomes yog compact, tuab thiab ribbon zoo li. Cov no yog cov qauv coiled pom zoo thaum lub sijhawm faib cell.
