Muaj pes tsawg chromosomes yuav pom nyob rau hauv aub zygote?
Muaj pes tsawg chromosomes yuav pom nyob rau hauv aub zygote?

Video: Muaj pes tsawg chromosomes yuav pom nyob rau hauv aub zygote?

Video: Muaj pes tsawg chromosomes yuav pom nyob rau hauv aub zygote?
Video: Yog muaj 5 yam no ua pes tsawg lub hom phiaj los yeej tiav 2024, Kaum ib hlis
Anonim

Yog vim li cas rau cov lus teb kom raug: Tus lej chromosome tam sim no nyob rau hauv lub hlwb haploid ntawm aub yuav yog 39 vim tias thaum lub sij hawm meiosis kuv txheej txheem, cov khub homologous sib cais. Yog li ntawd, 78 chromosome ua tam sim no nyob rau hauv lub diploid hlwb yuav sib sau ua ke nyob rau hauv lub equator ntawm lub cell.

Ib yam li ntawd ib tug yuav nug, pes tsawg chromosomes yuav tus dev zygote muaj?

A tus dev muaj 39 chromosomes hauv cov phev hlwb. Muaj pes tsawg chromosomes yuav ib tug dev lub zygote muaj ? Koj paub qhov no li cas? A zygote ua yog tsim los ntawm kev sib xyaw ua ke ntawm chromosomes los ntawm txhua tus niam txiv tus niam txiv tsuas muaj ib nrab ntawm lub cev chromosomes.

Ib sab saum toj no, pes tsawg chromosomes yuav muaj nyob rau hauv qhov tshwm sim zygote? 46 chromosome ua

Ua raws li qhov no hauv kev txiav txim siab, koj yuav pom pes tsawg chromosomes hauv tus dev cov qe ntshav?

Cov dev muaj 78 chromosomes nyob rau hauv lawv cov diploid hlwb.

Muaj pes tsawg chromosomes nyob rau hauv ib tug qaib zygote?

Qaib muaj 78 chromosomes hauv lawv lub cev. 13. A qaib phev thiab qe ua ke los tsim ib tug zygote ua.

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