Video: Yuav ua li cas yog tias koj tsis chromosome?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Monosomy txhais tau hais tias ib tug neeg ploj lawm ib chromosome hauv khub. Tsis yog 46 chromosomes , tus neeg muaj 45 xwb chromosomes . Qhov no ua rau nws muaj ib tug ploj lawm poj niam deev chromosome . Tab sis feem ntau nws yog qhov yuam kev uas tshwm sim los ntawm lub sijhawm thaum leej txiv cov phev cell twb tsim.
Ua raws li qhov no hauv kev xav, nws txhais li cas yog tias koj ploj lawm chromosome?
Numerical Abnormalities: Thaum twg tus kheej yog ploj lawm ib cov chromosomes los ntawm ib khub, tus mob hu ua monosomy. Thaum twg ib tug neeg muaj ntau tshaj ob chromosomes es tsis yog ib khub, tus mob hu ua trisomy.
Ib yam li ntawd, tus neeg puas tuaj yeem plam chromosome? Yog tias lub cev muaj tsawg lossis ntau dhau chromosomes , feem ntau nws yuav tsis ciaj sia mus rau qhov yug. Tsuas yog qhov twg a tsis muaj chromosome kev zam txim yog thaum X lossis Y chromosome yog ploj lawm . Tus mob no, hu ua Turner syndrome lossis XO, cuam tshuam txog 1 ntawm txhua 2,500 tus poj niam.
Kuj paub, yuav ua li cas thaum koj muaj ib qho chromosome tsawg?
Down syndrome yog ib qho piv txwv ntawm tus mob tshwm sim los ntawm trisomy. Cov neeg uas muaj Down syndrome feem ntau muaj peb daim ntawv chromosome 21 nyob rau hauv txhua lub cell, rau tag nrho ntawm 47 chromosomes rau cell. Monosomy, los yog poob ntawm ib chromosome Hauv cov hlwb, yog lwm hom aneuploidy.
Yuav ua li cas yog tias koj muaj 45 chromosomes?
Turner Syndrome yog vim ib chromosomal abnormality uas tag nrho los yog ib feem ntawm ib qho ntawm X chromosomes yog ploj lawm los yog hloov. Thaum cov neeg feem coob muaj 46 chromosomes , cov neeg nrog TS feem ntau muaj 45 . Cov chromosomal abnormality yuav muaj nyob rau hauv ib co cell nyob rau hauv cov ntaub ntawv nws yog hu ua TS nrog mosaicism.
Pom zoo:
Yuav ua li cas koj paub yog tias nws yog Codominance los yog tsis tiav dominance?
Nyob rau hauv tsis tiav dominance ib tug heterozygous ib tug blends ob yam. Nrog codominance koj yuav pom ob qho tag nrho alleles qhia lawv cov teebmeem tab sis tsis sib xyaw whereas nrog tsis tiav dominance koj pom ob qho tag nrho alleles tab sis lawv tau muab sib xyaw
Koj tuaj yeem ua li cas yog tias koj tsis paub tias txheej twg yog nyob rau hauv cov txheej txheem rho tawm?
Koj tuaj yeem ua li cas yog tias koj tsis paub tias txheej twg yog nyob rau hauv cov txheej txheem rho tawm? Tso dej me me rau hauv lub caj dab ntawm qhov sib cais funnel. Ua tib zoo saib nws: yog tias nws tseem nyob hauv txheej txheej sab saud, txheej txheej ntawd yog txheej dej
Tam sim ntawd yuav siv dab tsi yog tias koj cov khaub ncaws raug hluav taws lossis yog tias muaj tshuaj lom loj tshwm sim ntawm koj cov khaub ncaws?
Tam sim ntawd yuav siv dab tsi yog tias koj cov khaub ncaws raug hluav taws lossis yog tias muaj tshuaj lom ntau tshwm sim ntawm koj cov khaub ncaws? Koj mus ncaj qha rau da dej kev nyab xeeb thiab sawb ntawm tag nrho koj cov khaub ncaws
Koj yuav txiav txim siab li cas yog tias qhov tsis sib xws tsis muaj kev daws teeb meem?
Cais tawm tus nqi tseeb ntawm sab laug ntawm qhov tsis sib xws. Yog tias tus lej ntawm sab nraud ntawm qhov tsis sib xws yog qhov tsis zoo, koj qhov kev sib npaug tsis muaj kev daws teeb meem lossis tag nrho cov lej tiag tiag li kev daws teeb meem. Siv cov cim ntawm txhua sab ntawm koj qhov tsis sib xws los txiav txim siab qhov twg ntawm cov xwm txheej no tuav
Yuav ua li cas koj thiaj paub yog tias tus nqi tsis sib xws tsis muaj kev daws teeb meem?
Okay, yog tias qhov tseem ceeb tshaj plaws yeej ib txwm zoo lossis xoom tsis muaj txoj hauv kev uas lawv tuaj yeem tsawg dua lossis sib npaug rau tus lej tsis zoo. Yog li ntawd, tsis muaj kev daws teeb meem rau ob qho no. Hauv qhov no yog tias tus nqi tiag tiag yog qhov zoo lossis xoom ces nws yuav nco ntsoov ntau dua lossis sib npaug rau tus lej tsis zoo