Muaj pes tsawg tus chromosomes nyob hauv lub qe menyuam paub tab?
Muaj pes tsawg tus chromosomes nyob hauv lub qe menyuam paub tab?

Video: Muaj pes tsawg tus chromosomes nyob hauv lub qe menyuam paub tab?

Video: Muaj pes tsawg tus chromosomes nyob hauv lub qe menyuam paub tab?
Video: PES 21 лучше ФИФА 21 ? | ПОЙМАЛ 3 КУМИРА 2024, Lub rau hli ntuj
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Cov noob noob noob noob noob noob noob noob noob noob noob noob noob noob dos noob noob noob tsuas muaj muaj ib nrab ntawm cov chromosomes uas yog diploid cell ib ntawm txhua khub - thiab yog hu ua haploid (n). Hauv tib neeg lub qe lossis phev, muaj 23 chromosomes , ib qho yog X lossis Y.

Kuj paub yog, pes tsawg tus chromosomes nyob hauv lub qe menyuam?

23 chromosomes

Ib sab saum toj no, peb txheej txheej ntawm ovum yog dab tsi? Lub zes qe menyuam tau ntim rau hauv lub hnab ntawv tuab, pob tshab, zona striata lossis zona pellucida , ua raws li txheej txheej sab nrauv uas muaj ntau txheej txheej ntawm cov cell, muab los ntawm cov hauv paus thiab sib sau ua ke xov xwm kab mob corona.

Kuj Paub, dab tsi yog oocyte paub tab?

Ib oocyte yog qe tsis paub qab hau (tsis paub qab hau ovum ). Oocytes tsim kom loj hlob los ntawm hauv lub hauv paus. Cov hauv paus no pom nyob rau txheej sab nraud ntawm zes qe menyuam. Feem ntau, tsuas yog ib qho oocyte txhua lub voj voog yuav dhau los ua a paub tab qe thiab tau ovulated los ntawm nws cov hauv paus. Cov txheej txheem no yog hu ua ovulation.

Muaj pes tsawg tus chromosomes nyob hauv lub cev ncov qaumteb thib ob?

Thawj oocyte ua tiav thawj faib meiotic los tsim theem thib ob oocyte ( 23 chromosomes ) thiab lub cev ncov qaumteb ( 23 chromosomes ). Secondary oocyte ua tiav qhov kev faib meiotic thib ob yog fertilized los tsim cov qe loj hlob ( 23 chromosomes ) thiab lub cev ncov qaumteb ( 23 chromosomes ).

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