Qhov twg theem ntawm meiosis zoo ib yam li mitosis?
Qhov twg theem ntawm meiosis zoo ib yam li mitosis?

Video: Qhov twg theem ntawm meiosis zoo ib yam li mitosis?

Video: Qhov twg theem ntawm meiosis zoo ib yam li mitosis?
Video: Pana lee & Nyob qhov twg Nkauj ntawm tshiab2023-2024 Origino 2024, Hlis ntuj nqeg
Anonim

Teb thiab piav qhia: Meiosis II yog feem ntau zoo ib yam li mitosis zoo in meiosis II nws yog lub centromere ntawm ob tug viv ncaus chromatids uas kab ntawm metaphasal equator thiab tsis yog chiasma koom nrog ob homologous chromosomes li hauv meiosis Kuv.

Ib yam li ib tug yuav nug, qhov twg theem ntawm meiosis zoo ib yam li mitosis?

meiosis II

uas zoo ib yam li mitosis meiosis I lossis II? Meiosis kuv thiab II yog zoo sib xws hauv qee qhov, suav nrog tus lej thiab kev teeb tsa ntawm lawv cov theem thiab tsim ob lub hlwb los ntawm ib lub xovtooj. Txawm li cas los xij, lawv kuj txawv heev, nrog meiosis Kuv yog reductive division thiab meiosis II ua equational division. Ua li no, meiosis II yog zoo ib yam li mitosis.

Tsuas yog li ntawd, cov theem ntawm meiosis feem ntau zoo li cov theem ntawm mitosis piav qhia koj cov lus teb?

Zoo li mitosis, meiosis kuj muaj cov theem sib txawv hu ua prophase, metaphase, anaphase, thiab telophase . Ib qho tseem ceeb sib txawv, txawm li cas los xij, yog tias thaum lub sij hawm meiosis, txhua theem no tshwm sim ob zaug - ib zaug thaum thawj zaug ntawm kev faib, hu ua meiosis I, thiab dua thaum lub sij hawm thib ob ntawm kev faib, hu ua meiosis II.

Lub hom phiaj ntawm meiosis 2 yog dab tsi?

Muam chromatids cais thaum lub sijhawm thib ob, hu ua meiosis II . Txij li thaum cell division tshwm sim ob zaug thaum lub sij hawm meiosis , ib lub cell pib tsim tau plaub gametes (qe lossis phev). Hauv txhua qhov kev faib tawm, cov hlwb mus txog plaub theem: prophase, metaphase, anaphase, thiab telophase.

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