Sib txawv ntawm identical thiab dissimilar ntxaib
Monozygotes tshwm nyob rau hauv lub teeb, yog hais tias ntau spermatozoa fertilize ib qe, uas splits rau hauv ob los yog ntau tshaj halves. Lawv nyias muaj nyias tus kheej, tej zaum lawv yuav muaj ntau qhov chaw los sis ntau qhov chaw. Cov menyuam yaus muaj cov qauv nram qab no:
- lawv yog cov poj niam tib yam nkaus xwb;
- outwardly lawv saib zoo li identical;
- lawv muaj cov ntiv tes zoo tib yam nkaus;
- lawv muaj tib pawg ntshav;
- lawv feem ntau zoo sib xws hauv lub siab dawb paug;
- lawv yog cov predisposed rau tib cov kab mob.
Tag nrho cov no yog piav qhia los ntawm ib qho tib yam ntawm cov noob. Tiag tiag, dab tsi yog lawv sib txawv ntawm tus menyuam ntxaib tib yam los ntawm raznoyaytsevyh, uas muaj ntau genotype.
Tab sis nyob rau hauv Qee zaum, iav nta nyob rau hauv tsos yog tau. Piv txwv li, ib tug ntawm cov me nyuam muaj cai tau txais kev tso cai, thiab tus thib ob sab laug tes. Lub tswv yim ntawm cov khoom sib thooj yog los ntawm cov tib neeg qe fertilized los ntawm spermatozoa sib txawv. Qhov no tshwm sim tau yog hais tias ntau lub qe yog ripened hauv ib lub voj voog nyob rau hauv cov poj niam lub cev. Muaj ntau lub hauv paus rau qhov no. Cov menyuam yaus muaj kev txawv txav, tus cwj pwm, tus cwj pwm. Nws tuaj yeem yuav tawg, ua ib qho, thiab sib deev sib txawv. Cov no yog cov kwv tij los yog cov viv ncaus uas tau yug rau tib hnub. Odnoyaytsevye ntxaib yog yug feem ntau raznoyaytsevyh thiab ua li txog ib feem peb ntawm tag nrho.