![Genetics txiav txim siab hom ntshav li cas? Genetics txiav txim siab hom ntshav li cas?](https://i.answers-medical.com/preview/medical-health/13874001-how-do-genetics-determine-blood-type-j.webp)
Video: Genetics txiav txim siab hom ntshav li cas?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Ib yam li qhov muag lossis xim plaub hau, peb hom ntshav tau txais los ntawm peb niam thiab txiv. Txhua tus niam txiv muaj sia nyob pub ib ntawm ob ntawm ABO genes ua lawv tus menyuam. A thiab B. genes yog tseem ceeb thiab O gene yog rov ua haujlwm. Piv txwv li, yog tias O gene tau ua khub nrog A gene, tus hom ntshav yuav ua A.
Yog li, tus menyuam puas tuaj yeem muaj hom ntshav sib txawv dua li ob niam txiv?
Thaum a menyuam yuav muaj tib yam hom ntshav raws li ib tug ntawm nws/nws niam txiv , nws tsis tshwm sim li ntawd. Piv txwv li, niam txiv nrog AB thiab O hom ntshav tuaj yeem ua tau ib yam muaj me nyuam nrog hom ntshav A los yog hom ntshav B. Ob qho no hom yog twv yuav raug hu txawv dua niam txiv ' hom ntshav ! Lawv yuav ntais ntawv ob leeg niam txiv.
Ib yam nkaus, Puas yog Menyuam mos ib txwm muaj leej txiv cov ntshav? Tsis yog nws tsis. Tsis yog koj niam thiab txiv muaj rau muaj tib yam hom ntshav zoo li koj. Piv txwv li yog tias ib tus ntawm koj niam thiab txiv yog AB+ thiab lwm tus yog O+, lawv tuaj yeem ua tau muaj A thiab B cov menyuam. Hauv lwm lo lus, feem ntau tsis muaj leej twg ntawm lawv cov menyuam yuav koom nrog niam txiv hom ntshav.
Ua li no, kuv hom ntshav twg raws kuv niam kuv txiv?
Txhua yam lom niam txiv pub ib qho ntawm lawv ob ABO alleles rau lawv tus menyuam. Leej niam leej twg yog hom ntshav O tsuas tuaj yeem hla O allele rau nws tus tub lossis tus ntxhais. A txiv yog leej twg hom ntshav AB yuav kis tus A lossis B allele rau nws tus tub lossis tus ntxhais.
Koj puas tuaj yeem qhia hom ntshav los ntawm DNA?
Siv Ntshav - Ntaus hauv Kev Xeem Niam Txiv Cov txheej txheem ntawm DNA ntiv tes tau tsim los ntawm Alec Jeffreys hauv xyoo 1984, thiab nws tau pib ua thawj zaug rau kev xeem leej txiv hauv 1988. Zoo ib yam, yog tib neeg muaj yam B ntshav , qhov no qhia pom tias muaj ob qho B alleles lossis ib B allele thiab ib Aw allele.
Pom zoo:
Dab tsi yog ob qhov teeb meem kev sib tw uas Lub Tsev Hais Plaub Qib Siab hauv Xeev California tau txiav txim siab seb koj yuav sib npaug li cas hauv qhov xwm txheej tarasoff?
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Ob qhov teeb meem sib tw California Lub Tsev Hais Plaub Qib Siab tau txiav txim siab yuav ua li cas thiaj li sib npaug hauv Tarasoff cov xwm txheej yog tus neeg mob tsis pub lwm tus paub, ib qho kev coj ncaj ncees ntawm cov kws kho kev puas siab puas ntsws tiv thaiv kev tiv thaiv pej xeem kev txaus siab
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Nrog kev pab los ntawm vitamin K, lub siab ua cov protein uas tseem ceeb hauv cov ntshav khov. Nws kuj yog ib qho ntawm cov kabmob uas zom cov qe ntshav qub los yog puas. Lub siab ua lub luag haujlwm tseem ceeb hauv txhua cov txheej txheem metabolic hauv lub cev. Hauv cov metabolism hauv cov rog, lub siab ua rau cov rog tawg thiab tsim lub zog
Dab tsi txiav txim siab hom ntshav ntawm tus neeg nug?
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Cov tshuab ntsuas ntshav tau siv ntau zaus nyob ntawm qhov sib txawv ntawm cov neeg nyob hauv qhov tshwj xeeb ntawm cov qe ntshav liab. Yam dab tsi txiav txim siab hom ntshav? Cov ntshav yog raws li qhov chaw antigens ntawm cov qe ntshav liab, uas tej zaum yuav yog cov protein, carbohydrates, glycoproteins, los yog glycolipids
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Cov neeg zais cia tuaj yeem muaj lawv cov ntshav txiav txim siab los ntawm cov qaub ncaug lossis lwm yam kev kuaj lub cev. Cov khoom siv ntshav ntaus siv qaub ncaug muaj nyob online, tab sis feem ntau kim dua. Siv ib qho ntawm cov khoom siv, koj yuav xub kawm seb koj puas yog tus secretor. Yog tias koj yog, tom qab ntawd koj yuav tuaj yeem txiav txim siab koj hom ABO ntshav
Daim ntawv teev npe twg piav txog plaub qhov chaw uas tus kws kho mob yuav txiav txim siab siv plaub lub ntsiab lus mus rau kev txiav txim siab ncaj ncees?
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Nyob rau hauv lub moj khaum no, tag nrho cov teeb meem kev ncaj ncees raug tshuaj xyuas nyob rau hauv cov ntsiab lus ntawm plaub lub ntsiab lus: kev kho mob, kev nyiam ntawm tus neeg mob, lub neej zoo, thiab cov yam ntxwv ntawm cov ntsiab lus (piv txwv li, kev sib raug zoo, kev lag luam, kev cai lij choj, thiab kev tswj hwm)