Nyob rau hauv metaphase I, homologous khub ntawm chromosomes dlhos rau ntawm ob sab ntawm lub phaj equatorial. Tom qab ntawd,hauv anaphase I, cov spindle fibers cog lus thiab rub lub homologous khub, txhua tus nrog ob chromatids, deb ntawm ib leeg thiab mus rau txhua tus ncej ntawm tes. Thaum lub sij hawm telophase I, cov chromosomes tau kaw nyob rau hauv nuclei.
Lub sijhawm twg ntawm mitosis ua rau spindle Fibers cog lus?
theem plaub Cov spindle fibers cog lus thiab cais tus muam chromatids ntawm ib leeg. Tus muam chromatids raug rub mus rau sab nraud ntawm lub xovtooj ntawm tes - tus ncej ntawm tes.
Nyob rau theem twg ua spindle fibers tawg?
Telophase I yog tom ntej. Ntawm no cov spindle fibers tau tawg, cov ntaub so ntswg tshiab tsim, cov chromosomes uncoil, thiab cell faib ua ob lub hlwb. Cov theem tom ntej ntawm meiosis hu ua Meiosis II.
Yuav ua li cas thaum spindle fibers cog lus?
Anaphase: Spindle fibers shorten thiab rub tus muam chromatids mus rau spindle ncej. Cov viv ncaus sib cais chromatids txav mus rau cov ncej ntawm tes. Spindle fibers tsis txuas nrog chromatids lengthen thiab elongate lub cell los ua chaw rau lub cell kom cais.
Yuav ua li cas yog spindle fibers tsis tsim?
Spindle fiber tsim tshwm sim tab sis spindle fibers tsis tuaj yeem ua haujlwm zoo, piv txwv li lawv tsis tuaj yeem cais tus ntxhais chromosomes hauv txheej txheem faib. … Chromosomes clump hauv ob pebthaj chaw ntawm lub xovtooj es tsis yog raws li ib lub phaj metaphase. Mitosis cuam tshuam thiab kev loj hlob ntxiv.
