Cov txheej txheem:

Dab tsi yog ob qho laj thawj tseem ceeb ntawm kev mob caj ces hauv tib neeg?
Dab tsi yog ob qho laj thawj tseem ceeb ntawm kev mob caj ces hauv tib neeg?

Video: Dab tsi yog ob qho laj thawj tseem ceeb ntawm kev mob caj ces hauv tib neeg?

Video: Dab tsi yog ob qho laj thawj tseem ceeb ntawm kev mob caj ces hauv tib neeg?
Video: Qhov tseem ceeb ntawm koj mus txhaj koob tshuaj COVID-19 rau zaum ob (Hmong) 2024, Kaum ib hlis
Anonim

Muaj peb hom kab mob caj ces:

  • Ib leeg- noob caj noob ces , qhov twg kev hloov pauv cuam tshuam rau ib qho noob . Sickle cell anemia yog ib qho piv txwv.
  • Chromosomal tsis meej pem , qhov twg chromosomes (los yog ib feem ntawm chromosomes) ploj lawm los yog hloov.
  • nyuaj tsis meej pem , qhov twg muaj kev hloov pauv hauv ob los yog ntau dua noob .

Ntawm no, ob qho laj thawj tseem ceeb ntawm kev mob caj ces yog dab tsi?

Kev mob caj ces tuaj yeem tshwm sim los ntawm kev hloov pauv hauv ib qho noob (monogenic tsis meej pem ), los ntawm kev hloov pauv hauv ntau yam noob (multifactorial qub txeeg qub teg tsis meej pem ), los ntawm kev sib koom ua ke noob Kev hloov pauv thiab ib puag ncig, lossis los ntawm kev puas tsuaj rau chromosomes (hloov tus lej lossis cov qauv ntawm tag nrho cov chromosomes, cov qauv uas

Ib yam li ntawd, dab tsi yog qhov ua rau kev mob caj ces quizlet? Ib txhia kab mob caj ces yog ua rau los ntawm kev hloov pauv hauv DNA ntawm noob . Lwm yam tsis meej pem yog ua rau los ntawm kev hloov ntawm tag nrho cov qauv los yog tus naj npawb ntawm chromosomes.

Tsis tas li ntawd, qhov twg ntawm ob qho laj thawj tseem ceeb yog lub luag haujlwm rau Down syndrome?

Qhov feem ntau hom ntawm Down syndrome hu ua trisomy 21. Qhov no yog ib yam mob uas tib neeg muaj 47 chromosomes nyob rau hauv txhua lub cell es tsis txhob ntawm 46. Ib qho yuam kev hauv cell division hu ua nondisjunction ua rau trisomy 21. Lub xub ntiag ntawm no ntxiv ib feem ntawm chromosome 21 ua rau qee Down syndrome yam ntxwv.

5 kab mob caj ces yog dab tsi?

Cov ntaub ntawv hais txog 5 Hom Kab Mob Ntshav Qab Zib

  • Down Syndrome.
  • Thalassemia.
  • Cystic Fibrosis.
  • Tus kab mob Tay-Sachs.
  • Sickle Cell Anemia.
  • Kawm ntxiv.
  • Pom zoo.
  • Qhov chaw.

Pom zoo: