Video: Cov niam txiv muaj ntshav hom A thiab B puas tuaj yeem muaj menyuam nrog O?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Yog, vim txhua tus muaj ob "genes" rau hom ntshav . Ob niam txiv nrog A lub B hom ntshav , yog li ntawd, ua tau tsim ib tus menyuam nrog ntshav hom O . Yog lawv ob leeg muaj AO lossis BO noob, txhua tus niam txiv ua tau pub ib O gene rau cov xeeb ntxwv. Cov xeeb ntxwv yuav ces muaj OO noob, ua rau lawv ntshav hom O.
Ua raws li qhov no, cov niam txiv muaj ntshav hom A thiab B puas tuaj yeem ua O?
Yog Leej Niam hom ntshav yog B , thiab txiv hom ntshav yog O , ces lawv tus me nyuam yuav tsum yog B los yog O . Piv txwv li, yog tias leej niam thiab leej txiv raug liam muaj hom A ntshav , ces tus me nyuam ua tau tsuas muaj A los yog O ntshav . Txawm li cas los xij, hauv 1 ntawm 4 piv txwv, ob qho tib si niam txiv yuav pab lawv recessive O gene rau lawv tus menyuam.
Tsis tas li ntawd, ob niam txiv uas muaj ntshav hom A thiab B yuav ua li cas thiaj muaj menyuam muaj hom O? Ib tug twg muaj ib A thiab a B version ntawm lub hom ntshav gene ua ob leeg A thiab B cov proteins. Tab sis tus neeg uas muaj ib B thiab ib O version tsuas ua tus B protein ntau. Lawv yog B hom ntshav tab sis tuaj yeem dhau qhov O mus rau lawv cov menyuam . Yog li ob niam txiv B tuaj yeem ua ib qho O tus me nyuam yog ob niam txiv yog BO.
Ib sab saum toj no, cov niam txiv uas muaj ntshav hom A puas muaj tus menyuam hom O?
ABO Hom ntshav Txhua yam tshuaj lom neeg niam txiv pub ib ntawm ob ABO noob rau lawv tus menyuam . Cov noob A thiab B yog cov tseem ceeb thiab cov O gene yog recessive. Piv txwv li, a niam txiv nrog O ntshav nrog 2 O gene thiab a niam txiv nrog A ntshav nrog 2 A noob yuav muaj ib A ntshav hom menyuam nrog ib tug A gene thiab ib tug O noob.
Leej niam uas muaj ntshav AB puas tuaj yeem muaj menyuam nrog O?
Ua O , feem ntau koj yuav tsum tau tau ib O los ntawm ob qho tib si niam thiab txiv. Tab sis ib AB parent feem ntau muaj version A thiab B, tsis yog O . Yog li lawv feem ntau ua tau 't muaj ib O tus me nyuam.
Pom zoo:
Ob niam txiv cov plaub hau dub puas tuaj yeem muaj tus menyuam daj ntseg?
Yog lawm, cov noob rau lub teeb lossis cov plaub hau daj yog qhov tsis zoo rau cov plaub hau tsaus nti, txhais tau tias koj xav tau ob daim ntawv luam ntawm cov noob daj (ib qho los ntawm niam, ib qho los ntawm txiv) kom muaj ib tug me nyuam plaub hau daj. Yog hais tias tus me nyuam tau txais ib daim ntawv rau cov plaub hau tsaus thiab ib daim ntawv rau cov plaub hau daj, qhov tsaus ntuj yuav yog qhov tseem ceeb, txhais tau tias tus me nyuam yuav muaj cov plaub hau tsaus
Cov txiv hmab txiv ntoo puas tuaj yeem tsim hluav taws xob?
Citrus txiv hmab txiv ntoo tuaj yeem ua tau qhov no vim tias lawv muaj citric acid, ib qho electrolyte uas tso cai rau hluav taws xob ntws.Lub hwj chim tiag tiag los ntawm kev sib pauv hluav taws xob ntawm ib khub electrodes uas koj ntxig rau hauv cov txiv hmab txiv ntoo
Cov txiv neej thiab poj niam muaj pes tsawg tus X thiab Y chromosomes?
Cov poj niam muaj ob daim qauv ntawm X chromosome, thaum txiv neej muaj ib qho X thiab ib qho Y chromosome. 22 autosomes yog suav nrog qhov loj me. Lwm ob chromosomes, X thiab Y, yog kev sib deev chromosomes. Daim duab no ntawm tib neeg chromosomes lined ua khub yog hu ua karyotype
Puas yog cov menyuam ntxhais zoo ib yam rau niam txiv cell hauv meiosis?
Cov txheej txheem ua rau plaub tus ntxhais lub hlwb uas yog haploid, uas txhais tau hais tias lawv muaj ib nrab ntawm cov chromosomes ntawm diploid niam txiv cell. Meiosis muaj ob qho tib si zoo sib xws thiab qhov sib txawv ntawm mitosis, uas yog cov txheej txheem ntawm tes faib ua niam txiv cell tsim ob lub hlwb zoo tib yam
Cov niam txiv qhov muag xiav puas tuaj yeem muaj menyuam qhov muag xim av?
Vim tias ob lub noob nyob ntawm ib leeg, nws muaj peev xwm ua tau rau ib tus neeg los ua tus neeg nqa khoom ntawm qhov tseem ceeb zoo li lub qhov muag xim av. Thiab yog hais tias ob tug niam txiv qhov muag xiav yog cov kab mob, ces lawv tuaj yeem muaj tus menyuam qhov muag xim av.Cov noob caj noob ces lom zem heev! Ob leeg tuaj nyob rau hauv versions uas ua rau xiav ob lub qhov muag