Video: Yuav ua li cas yog tias koj muaj 44 chromosomes?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Qhov tseeb, cov 44 chromosome txiv neej tsev neeg muaj keeb kwm ntev ntawm kev nchuav menyuam thiab kev rho menyuam tawm. Rau tau ob qho tib si sib npaug translocations, ob niam txiv xav tau rau muaj tib qhov sib npaug translocation. Qhov no yog qhov tsawg kawg nkaus. Tsuas yog thaum niam txiv sib txheeb.
Hauv qhov no, 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.
Tom qab ntawd, lo lus nug yog, yuav ua li cas yog tias koj muaj 48 chromosomes? XXYY syndrome yog poj niam txiv neej chromosome anomaly uas cov txiv neej muaj ib qho ntxiv X thiab Y chromosome . Cov txiv neej nrog XXYY syndrome muaj 48 chromosomes es tsis txhob ntawm qhov raug 46. Qhov no yog vim li cas XXYY syndrome yog qee zaum sau li 48 , XXYY Syndrome or 48 , XXYY. Nws cuam tshuam txog kwv yees ib ntawm txhua 18,000–40,000 tus txiv neej yug los.
Ib yam li ib tug yuav nug, nws hu li cas thaum koj muaj 44 chromosomes?
Chromosomes lwm yam tsis yog poj niam txiv neej chromosomes yog hu ua autosomes. Tus naj npawb ntawm autosomes txawv ntawm ib lub cev mus rau lwm qhov. Tib neeg muaj ua 46 chromosomes . Ntawm no, 44 yog autosomes thiab 2 yog poj niam deev chromosomes - XX rau poj niam lossis XY rau txiv neej.
Yuav ua li cas yog tias koj muaj 47 chromosomes?
Biological yuam kev tuaj yeem tshwm sim Thaum lub sij hawm thaum ntxov ntawm cell division, ua rau ib co fetuses tsim nrog 47 chromosome ua : Hloov ntawm 23 tus khub sib tw, lawv muaj 22 khub ntxiv rau ib pawg ntawm peb, a chromosomal abnormality hu ua trisomy. Feem ntau cov fetuses nrog trisomy yog nchuav thaum thawj peb lub hlis twg.
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