Cov txheej txheem:
- Dab tsi yog qhov txawv ntawm qhov sib npaug?
- Puas muaj peb tus lej zoo ib yam ua tau?
- Dab tsi ua rau lub qe sib faib ua ib tug ntxaib?
- Yuav ua li cas fraternal triplets tsim?
Video: Tim duab peb sab zoo sib xws li cas?
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
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.
Dab tsi yog qhov txawv ntawm qhov sib npaug?
Cov kws kho mob hais tias qhov txawv ntawm qhov muaj peb tus menyuam zoo ib yam yog kwv yees li 1 ntawm 200 lab Kev xeeb tub kuj txaus ntshai heev. Tab sis ua tsaug, cov menyuam yaus Anastasia, Olivia thiab Nadia - cov npe zoo, los ntawm txoj kev - tau raug xa mus nyab xeeb thiab tam sim no nyob hauv tsev nrog lawv ob tus viv ncaus.
Puas muaj peb tus lej zoo ib yam 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).
Dab tsi ua rau lub qe sib faib ua ib tug ntxaib?
hom ntxaib tsim no pib thaum ib tus sperm fertilizes ib qe (oocyte). 1 Thaum lub qe fertilized (hu ua zygote) mus rau lub tsev menyuam, cov hlwb sib faib thiab loj hlob mus rau hauv ib lub blastocyst. Nyob rau hauv cov ntaub ntawv ntawm cov menyuam ntxaib monozygotic, lub blastocyst ces sib cais thiab tsim mus rau hauv ob embryos.
Yuav ua li cas fraternal triplets tsim?
Triplets thiab 'kev txiav txim siab ntau dua' (HOMs)
Piv txwv li, triplets tuaj yeem yog tus kwv tij (trizygotic), tsim los ntawm 3 tus neeg qe uas fertilized thiab cog rau hauv lub tsev menyuam.; los yog lawv tuaj yeem ua tau zoo ib yam, thaum ib lub qe faib ua 3 embryos; los yog lawv tuaj yeem ua ke ntawm ob qho tib si.
Pom zoo:
Puas yog daim duab peb sab sib npaug yog daim duab peb sab?
No, ib daim duab peb sab tsis tuaj yeem yog daim duab peb sab sib npaug . Puas yog daim duab peb sab sib npaug yog daim duab peb sab txoj cai piav qhia koj cov lus teb? Daim duab peb sab sib npaug tsis tuaj yeem yog daim duab peb sab yogQhov no ua rau kev nkag siab vim tias lub kaum sab xis ntsuas hauv ib daim duab peb sab, tsis yog daim duab peb sab sib npaug, sib npaug 180 degrees.
Thaum ob daim duab peb sab zoo sib xws?
Ob daim duab peb sab zoo ib yam yog tias lawv ua tau raws li ib qho ntawm cov qauv hauv qab no.: Ob khub ntawm cov ces kaum sib npaug: Peb khub ntawm sab sib raug yog proportional.: Ob khub ntawm cov sab sib raug yog proportional thiab cov ces kaum ntawm lawv sib npaug .
Yuav ua li cas ua cov feem tsis sib xws rau feem zoo sib xws?
Mua ob ntu ntawm txhua feem los ntawm tus lej ntawm lwm feem, yog tias tus lej sib txawv. Piv txwv li, yog tias koj ntxiv 1/3 thiab 2/5, muab ob qho tib si 1 thiab 3 los ntawm 5, ua cov feem 5/15. Tom qab ntawd muab ob qho tib si 2 thiab 5 los ntawm 3 (tus denominator ntawm lwm feem), ua tus feem 6/15 .
Nyob rau hauv ib lub kaum sab xis daim duab peb sab r yog sib npaug?
Txoj Kev: Cov qauv rau kev xam qhov ntsuas ntawm lub kaum sab xis ntawm daim duab peb sab tuaj yeem muab tau raws li r=(P + B - H) / 2 Thiab peb paub tias thaj tsam ntawm ib qho lub voj voog yog PIr 2 qhov twg PI=22 / 7 thiab r yog lub vojvoog ntawm lub voj voog.
Vim li cas txhua daim duab peb sab sib npaug zoo sib xws?
Similarity. Cov cuab yeej ntawm daim duab peb sab sib npaug suav nrog tias tag nrho lawv cov kaum sib npaug 60 degrees. … Txij li txhua txhua daim duab peb sab sib npaug lub kaum sab xis yog 60 degrees, txhua daim duab peb sab sib npaug zoo ib yam vim qhov AAA Postulate .
