Ib tug pronucleus (plural: pronuclei) yog lub nucleus ntawm cov phev los yog qe qe thaum lub sij hawm tus txheej txheem ntawm fertilization. Cov phev cell dhau los ua pronucleus tom qab cov phev nkag mus rau hauv lub zes qe menyuam, tab sis ua ntej cov khoom siv caj ces ntawm cov phev thiab qe fuse.
Pab pronuclear theem yog dab tsi?
Pronuclear theem tubal hloov (PROST) yog cov txheej txheem uas koom nrog hauv vitro fertilization (IVF) ntawm oocytes, ua raws li kev hloov pauv ntawm pronuclear oocytes mus rau hauv cov hlab ntsha.
txhais li cas los ntawm pronucleus?
Pronucleus: Ib lub cell nucleus nrog cov txheej txheem haploid ntawm chromosomes (23 chromosomes hauv tib neeg) uas tshwm sim los ntawm meiosis (kab kab mob faib). Tus txiv neej pronucleus yog cov phev nucleus tom qab nws nkag mus rau hauv ovum ntawm fertilization tab sis ua ntej fusion nrog tus poj niam pronucleus.
Qhov txawv ntawm nucleus thiab pronucleus yog dab tsi?
Raws li nouns qhov txawv ntawm nucleus thiab pronucleus
is tus nucleus yog lub hauv paus, hauv nruab nrab (ntawm ib yam dab tsi), puag ncig uas lwm tus tau sib sau ua ke thaum pronucleus yog ob qho tib si ntawm ob lub haploid nuclei (ntawm cov phev thiab ovum) uas fuse thaum fertilization.
Nyob rau hauv pronuclear fusion yog dab tsi?
: lub haploid nucleus ntawm txiv neej lossis poj niam gamete (xws li qe lossis phev) txog rau lub sijhawm sib xyaw nrog lwm gamete hauv fertilization.
