Dab tsi yog karyotype sau piv txwv?
Dab tsi yog karyotype sau piv txwv?

Video: Dab tsi yog karyotype sau piv txwv?

Video: Dab tsi yog karyotype sau piv txwv?
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Qhov no sau ntawv suav nrog tag nrho cov chromosomes, kev sib deev chromosomes, thiab ib qho ntxiv lossis ploj lawm autosomal chromosomes. Rau piv txwv , 47, XY, +18 qhia tias tus neeg mob muaj 47 chromosomes, yog txiv neej, thiab muaj ib qho ntxiv autosomal chromosome 18.

Tsis tas li ntawd, dab tsi yog karyotype notation?

A karyotype yog tus sawv cev ntawm chromosomes ntawm txhua hom cell. Txiav txim siab txog kev sib deev chromosomes, seb lawv yog "XX" lossis "XY." Yog hais tias lawv yog "XX," cov ntsiab lus yog poj niam; "XY," qhov kev kawm yog txiv neej. Sau qhov kev sib xyaw ua ke ntawm ib sab ntawm tus lej tom qab tus lej cim. Nyob rau hauv ib tug poj niam ib txwm, qhov no yuav zoo li no "46, XX."

Qhov thib ob, dab tsi karyotype yog Trisomy 21? Trisomy 21 (47, XYI, + 21 ) yog tshwm sim los ntawm qhov tshwm sim meiotic nondisjunction. Thaum ua ke nrog gamete ib txwm los ntawm lwm tus niam txiv, tus menyuam tam sim no muaj 47 chromosomes, nrog peb daim ntawv theej ntawm chromosome. 21 . Cov trisomy 21 karyotype Daim duab qhia tau hais tias chromosomal kev npaj, nrog rau qhov tseem ceeb ntxiv chromosome 21.

Tsuas yog li ntawd, qhov piv txwv karyotype yog dab tsi?

kar·y·o·type. Siv karyotype hauv ib kab lus. npe. Karyotype txhais tau tias yog qhov pom dav dav ntawm chromosomes. Ib piv txwv ntawm karyotype yog qhov loj, tus naj npawb thiab cov duab ntawm chromosomes hauv tib neeg lub cev.

Edward's syndrome yog dab tsi?

Edwards Syndrome , tseem hu ua trisomy 18, yog ib hom kab mob tsis meej pem tshwm sim los ntawm muaj ib daim ntawv thib peb ntawm tag nrho lossis ib feem ntawm chromosome 18. Ntau qhov chaw ntawm lub cev raug cuam tshuam. Cov menyuam mos feem ntau yug me me thiab muaj lub plawv tsis xws luag.

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