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Pob triplets tshwm sim ib txwm muaj?

Cov txheej txheem:

Pob triplets tshwm sim ib txwm muaj?
Pob triplets tshwm sim ib txwm muaj?

Video: Pob triplets tshwm sim ib txwm muaj?

Video: Pob triplets tshwm sim ib txwm muaj?
Video: 5 Sets of Triplets vs 1 Fake | Odd One Out 2024, Tej zaum
Anonim

Ntawm, cov menyuam ntxaib tshwm sim li ntawm ib ntawm 250 cev xeeb tub, triplets nyob rau hauv kwv yees li ib ntawm 10,000 cev xeeb tub, thiab plaub tug menyuam hauv ib ntawm 700,000 cev xeeb tub. Lub ntsiab tseem ceeb uas ua rau koj muaj feem ntau ntawm kev xeeb tub yog kev siv cov kev kho tsis muaj menyuam, tab sis muaj lwm yam.

triplets tsim ib txwm ua li cas?

Ib yam ntxaib lossis triplets tshwm sim thaum ib lub qe fertilized thiab tom qab ntawd sib cais Cov embryos tshiab tau muab faib ua tib yam. Cov menyuam yaus uas sib npaug sib npaug yuav zoo li ib leeg thiab yog tib tug poj niam txiv neej. Fraternal multiples tsim los ntawm cov qe sib cais uas fertilized los ntawm cov phev sib txawv.

Leej twg yuav muaj triplets ntau dua?

Cov poj niam Caucasian, tshwj xeeb tshaj yog cov hnub nyoog 35 xyoos, muaj qhov siab tshaj plaws ntawm kev yug me nyuam ntau dua (tripelets lossis siab dua). Cov neeg Esxias thiab Native Americans muaj tus nqi qis tshaj ntawm kev yug menyuam ntxaib.

Puas yog triplets ua tau?

Zoo li menyuam ntxaib, triplets thiab lwm yam kev txiav txim siab dua tuaj yeem raug cais los ntawm lawv cov zygosity lossis qib ntawm cov caj ces zoo sib xws. Txawm hais tias triplets feem ntau yog fraternal (dizygotic lossis trizygotic), nws muaj peev xwm ua tau rau triplets kom zoo ib yam (monozygotic).

Puas plaub haudruplets tshwm sim lawm?

Ob khub niam txiv xeeb tub quadruplets ib txwm muaj, tsis tshua muaj tshwm sim uas tshwm sim hauv 1 ntawm 700,000 cev xeeb tub. Kwv yees li 90 feem pua ntawm quadruplets tau xeeb tub nrog kev pab ntawm kev kho mob thev naus laus zis.

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