theem twg ntawm meiosis puas muaj kev ywj pheej tshwm sim? Independent assortment in meiosis tshwm sim nyob rau hauv eukaryotes thaum lub sij hawm metaphase I ntawm meiotic division. Nws tsim gamete nqa cov chromosomes sib xyaw.
Puas muaj kev ywj pheej tshwm sim hauv meiosis 1 lossis 2?
Lub hauv paus ntawm lub cev rau txoj cai ntawm kev ywj pheej nyob hauv meiosis Intawm gamete tsim, thaum homologous khub kab nyob rau hauv kev sib txawv ntawm qhov nruab nrab ntawm tes thaum lawv npaj rau cais.
theem twg ntawm mitosis yog kev ywj pheej assortment?
Thaum cov hlwb sib faib thaum lub sijhawm meiosis, homologous chromosomes tau muab faib ua ntu zus thaum anaphase I, sib cais thiab cais tawm ntawm ib leeg. Qhov no hu ua ywj siab assortment.
Dab tsi yog qhov sib txawv ntawm kev hla dhau thiab kev ywj pheej?
Kev hla dhau yog kev sib pauv ntawm cov khoom siv caj ces ntawm homologous chromosomes. … Thaum cov hlwb sib faib thaum lub sij hawm meiosis, homologous chromosomes tau muab faib rau cov ntxhais, thiab sib txawv chromosomes cais nws tus kheej ntawm ib leeg Qhov no hu ua kev ywj pheej assortment.
Yuav ua li cas thiab nyob rau theem twg yog kev ywj pheej ua tiav?
In metaphase I cov khub ntawm homologous chromosomes yog lined ntawm ib sab ntawm txoj kab nruab nrab. Qhov no txawv ntawm mitosis qhov twg cov chromosomes kab ib leeg. Txawm hais tias kev hla dhau yog qhov zoo ntawm kev tsim cov kev hloov pauv, qhov loj ntawm cov noob shuffling tshwm sim hauv metaphase I thaum lub sij hawm tus txheej txheem hu ua ywj siab assortment.
