Cov txheej txheem:
- Yuav ua li cas hauv cell thaum anaphase I ntawm meiosis?
- Qhov txawv ntawm metaphase thiab anaphase yog dab tsi?
- Yuav ua li cas thaum metaphase kuv thiab anaphase kuv?
- Qhov txawv ntawm anaphase ntawm meiosis 1 yog dab tsi?
Video: In anaphase-i piv rau metaphase-i cell muaj?
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
Nyob rau hauv anaphase-I, piv rau metaphase-Kuv, cell muaj- (1) Tib tus lej ntawm chromosomes thiab tib yam . ntau tus chromatids hauv txhua chromosome.
Yuav ua li cas hauv cell thaum anaphase I ntawm meiosis?
Thaum anaphase I, cov chromosomes homologous raug rub mus rau cov ncej ntawm lub xov tooj ntawm tes. Thaum lub sij hawm anaphase I, homologous chromosomes raug rub mus rau cov ncej ntawm tes.
Qhov txawv ntawm metaphase thiab anaphase yog dab tsi?
Metaphase yog cim los ntawm kev tsim cov phaj metaphase. Lub phaj metaphase yog tsim thaum cov spindle fibers dlhos cov chromosomes raws nruab nrab ntawm lub cell.… Hauv anaphase, cov chromosomes sib cais ntawm lub centromeres, thiab txav mus rau sab nraud ntawm lub xovtooj
Yuav ua li cas thaum metaphase kuv thiab anaphase kuv?
In metaphase, chromosomes yog lined thiab txhua tus viv ncaus chromatid yog txuas rau spindle fiberHauv anaphase, tus muam chromatids (tam sim no hu ua chromosomes) raug rub mus rau cov ncej. Hauv telophase, chromosomes tuaj txog ntawm tus ncej, thiab cov khoom siv lub hnab ntawv nuclear nyob ib puag ncig txhua pawg chromosomes.
Qhov txawv ntawm anaphase ntawm meiosis 1 yog dab tsi?
In anaphase 1 in meiosis, homologous khub sib cais tab sis tus muam chromatids nyob ua ke. Hauv anaphase 1 ntawm mitosis tus muam chromatids cais.
Pom zoo:
Ib qho piv txwv ntawm kev ua piv txwv yog dab tsi?
Raws li qhov piv txwv ntawm kev ua qauv zoo, xav tias hauv cov pejxeem ntawm 10,000 tus neeg, tus kws txheeb cais xaiv txhua 100 tus neeg rau kev kuaj. Cov sijhawm piv txwv kuj tseem tuaj yeem ua tau zoo, xws li xaiv tus qauv tshiab los kos los ntawm txhua 12 teev .
Puas piv cov nqe lus sib piv?
Ib qhov sib piv thiab/lossis cov kab lus sib piv yuav tsum tau yog tias koj raug nug kom tshuaj xyuas qhov zoo sib xws thiab/lossis qhov sib txawv Sib piv tsom rau qhov zoo sib xws. Contrast tsom rau qhov sib txawv. Cov kab lus qhia txog lub ntsiab lus thiab lub hom phiaj los sib piv thiab/lossis sib piv X thiab Y;
Rau cov khoom poisson tus piv yog qhov piv ntawm?
Poisson tus piv (v) yog qhov tsis tu ncua hais txog cov kev hloov pauv hauv qhov ntev. Nws txhais tau tias yog qhov piv ntawm kev hloov pauv ntawm qhov dav dav ntawm ib chav tsev dav kom hloov pauv hauv axial ntev ntawm ib chav tsev ntev los ntawm axial stretching lossis stressing ntawm cov khoom .
Ntawm metaphase ntawm mitosis txhua chromosome muaj?
Thaum lub sijhawm prophase I thiab metaphase I ntawm meiosis, chromosome muaj tetrad (4 chromatids lossis 4 DNA molecules) thiab txo mus rau ob chromatids (2 DNA molecules) los ntawm lub sij hawm metaphase II tshwm sim . Puas muaj pes tsawg chromosomes nyob rau hauv metaphase ntawm mitosis?
Nyob rau hauv qhov kev sib piv tsis raug cov khoom raug muab piv yog?
Ib qho piv txwv tsis tseeb yog ib qho kev poob siab uas ob yam sib piv uas tsis muaj qhov tseem ceeb txaus los muab piv ncaj ncees. Raws li tau hais ua ntej, rau qhov kev xav piv txwv kom siv tau, ob yam uas tau muab piv yuav tsum yog qhov tseem ceeb zoo sib xws hauv txhua txoj hauv kev tseem ceeb .
