Homologous chromosomes yog qhov tseem ceeb hauv cov txheej txheem ntawm meiosis thiab mitosis. Lawv tso cai rau kev sib koom ua ke thiab sib cais ntawm cov khoom siv caj ces los ntawm leej niam thiab leej txiv mus rau hauv cov hlwb tshiab.
Puas yog homologous chromosomes ua khub hauv mitosis?
Nco ntsoov tias, hauv mitosis, homologous chromosomes tsis ua ke. Hauv mitosis, homologous chromosomes kab ntawm qhov kawg-rau-kawg kom thaum lawv sib faib, txhua tus ntxhais ntawm tes tau txais ib tus muam chromatid los ntawm ob tus tswv cuab ntawm cov khub homologous.
YPuas chromosomes homologous hauv meiosis?
Nyob hauv meiosis kuv, homologous chromosome khub ua ke nrog ib leegthiab raug khi ua ke nrog cov synaptonemal complex.… Thaum lub sij hawm anaphase II thiab mitotic anaphase, cov kinetochores faib thiab cov muam chromatids, tam sim no hu ua chromosomes, raug rub mus rau cov ncej.
Puas muaj chromosomes hauv mitosis?
Mitosis yog txheej txheem tseem ceeb rau lub neej. Thaum lub sij hawm mitosis, lub xov tooj ntawm tes duplicates tag nrho nws cov ntsiab lus, suav nrog nws cov chromosomes, thiab sib cais los ua ob lub hlwb zoo tib yam. … Thaum cov phev thiab qe qe sib sau ua ke ntawm kev xeeb tub, txhua qhov ua rau 23 chromosomes yog li qhov tshwm sim embryo yuav muaj li 46.
Muaj pes tsawg chromosomes tsim nyob rau hauv mitosis?
Thaum mitosis tiav lawm, lub xovtooj ntawm tes muaj ob pawg ntawm 46 chromosomes, txhua tus nyob nrog lawv tus kheej daim nyias nyias. Lub cell ces faib ua ob los ntawm cov txheej txheem hu ua cytokinesis, tsim ob lub clones ntawm lub cell qub, txhua tus muaj 46 monovalent chromosomes.
