Lub sijhawm mitotic anaphase chromosomes migrate?

Cov txheej txheem:

Lub sijhawm mitotic anaphase chromosomes migrate?
Lub sijhawm mitotic anaphase chromosomes migrate?
Anonim

Anaphase A yog lub sijhawm mitotic dynamic thaum lub sij hawm tus muam chromatids cais ntxiv thiab tsiv mus raws tus ntxaiv mus rau qhov sib npaug ntawm tus ncej (Inoué thiab Ritter, 1975).

Yuav ua li cas rau chromosomes thaum anaphase ntawm mitosis?

Thaum anaphase, txhua khub ntawm chromosomes tau muab cais ua ob qho tib si, ywj pheej chromosomes. Cov chromosomes tau sib cais los ntawm cov qauv hu ua mitotic spindle. … Cov chromosomes sib cais yog ces rub los ntawm spindle rau opposite ncej ntawm cell.

Chromosomes migrate nyob qhov twg thaum lub sij hawm mitotic anaphase?

Ob chav sib cais ntawm kev txav tshwm sim thaum lub sijhawm anaphase. Thaum lub sij hawm thawj feem ntawm anaphase, lub kinetochore microtubules luv, thiab cov chromosomes txav mus rau cov spindle ncej. Thaum lub sij hawm thib ob ntawm anaphase, cov spindle ncej cais raws li cov non-kinetochore microtubules txav dhau ib leeg.

Chromosomes txav li cas thaum lub sij hawm anaphase?

Metaphase ua rau anaphase, thaum lub sijhawm txhua tus chromosome tus viv ncaus chromatids cais thiab txav mus rau cov ncej ntawm tes. … Ntau qhov tshwj xeeb, hauv thawj ntu ntawm anaphase - qee zaum hu ua anaphase A - lub kinetochore microtubules luv luv thiab kos cov chromosomes mus rau cov ncej ntxaiv.

Chromosomes mus qhov twg thaum lub sij hawm anaphase 1?

Nyob rau hauv anaphase kuv, homologues raug rho tawm thiab txav mus raurov qab kawg ntawm lub cell. Txawm li cas los xij, tus viv ncaus chromatids ntawm txhua tus chromosome, tseem nyob nrog ib leeg thiab tsis sib nrug. Thaum kawg, hauv telophase I, cov chromosomes tuaj txog ntawm cov ncej ntawm tes.

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