Thaum lub sijhawm metaphase II, cov centromeres ntawm cov chromatids ua ke nyob rau hauv lub equatorial phaj hauv ob lub hlwb. Tom qab ntawd hauv anaphase II, cov chromosomes cais ntawm lub centromeres.
theem twg ntawm meiosis ua centromeres faib?
Anaphase: Thaum lub sij hawm anaphase, lub centromere splits, cia tus muam chromatids cais. Lub kinetochore spindle fibers luv luv, tso cai rau 46 ntawm cov tshiab-freed chromatids raug cab mus rau ib kawg ntawm lub xovtooj thiab cov seem 46 chromatids raug rub mus rau qhov kawg ntawm lub cell.
Do centromeres phua hauv meiosis 1 lossis 2?
Centromeres Split
Lub centromeres tsis cais thaum lub sij hawm anaphase kuv, tab sis thaum anaphase II.
Puas cov centromeres faib meiosis?
(Meiosis 1) Prophase I, Metaphase I, Anaphase I, Telophase I; (Meiosis 2) Prophase II, Metaphase II, Anaphase II thiab Telophase II. … Cov centromeres tsis cais thaum lub sij hawm anaphase I, tab sis thaum anaphase II. Cov centromeres sib cais thaum lub sij hawm anaphase.
Qhov twg ntawm cov theem ntawm mitosis ntev tshaj?
Kuj, nws muab faib ua theem ntxov thiab lig. Yog li kom meej meej, lub sijhawm ntev tshaj plaws ntawm Mitosis yog Prophase.
