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Leej twg ua kev hloov pauv cuam tshuam rau lub cev?

Cov txheej txheem:

Leej twg ua kev hloov pauv cuam tshuam rau lub cev?
Leej twg ua kev hloov pauv cuam tshuam rau lub cev?

Video: Leej twg ua kev hloov pauv cuam tshuam rau lub cev?

Video: Leej twg ua kev hloov pauv cuam tshuam rau lub cev?
Video: Saib Mis paub Poj niam (hluas nkauj) tus yam ntxwv lub siab 2024, Tej zaum
Anonim

Kev hloov pauv tuaj yeem cuam tshuam rau lub cev los ntawm hloov nws lub cev yam ntxwv(los yog phenotype) lossis nws tuaj yeem cuam tshuam txoj kev DNA codes cov ntaub ntawv caj ces (genotype). Thaum cov kev hloov pauv tshwm sim lawv tuaj yeem ua rau txiav tawm (tuag) ntawm lub cev lossis lawv tuaj yeem ua rau tuag taus.

Peb txoj kev hloov pauv dab tsi tuaj yeem cuam tshuam rau lub cev?

Ib kab kab hloov pauv tuaj yeem muaj ntau yam teebmeem:

  • Tsis muaj kev hloov pauv hauv phenotype. Qee qhov kev hloov pauv tsis muaj qhov cuam tshuam rau qhov phenotype ntawm lub cev. …
  • Kev hloov me me tshwm sim hauv phenotype. Ib qho kev hloov pauv ua rau tus miv pob ntseg curl rov qab me ntsis.
  • Kev hloov pauv loj tshwm sim hauv phenotype.

Kev hloov pauv cuam tshuam li cas rau lub cev muab piv txwv?

Kev hloov pauv tsis zoo yuav ua rau kab mob caj ces lossis mob qog noj ntshavIb hom kab mob caj ces yog kab mob tshwm sim los ntawm kev hloov pauv hauv ib lossis ob peb lub noob. Ib qho piv txwv tib neeg yog cystic fibrosis. Kev hloov pauv hauv ib lub noob ua rau lub cev tsim cov kua nplaum tuab, nplaum nplaum uas txhaws lub ntsws thiab thaiv cov ducts hauv plab hnyuv.

Vim li cas kev hloov pauv tseem ceeb rau cov kab mob muaj sia?

Kev hloov pauv ua lub luag haujlwm tseem ceeb hauv kev hloov pauv. Qhov kawg ntawm txhua qhov kev hloov pauv caj ces yog kev hloov pauv. Kev hloov pauv yog qhov tseem ceeb raws li thawj kauj ruam ntawm kev hloov pauv vim tias nws tsim cov DNA tshiab rau cov noob tshwj xeeb, tsim cov allele tshiab.

Vim li cas kev hloov pauv tshwm sim hauv kab mob?

Kev hloov pauv yog qhov hloov pauv ntawm cov kab mob DNA. Dab tsi ua rau muaj kev hloov pauv? Kev hloov pauv tuaj yeem yog ua los ntawm cov khoom siv hluav taws xob siab xws li hluav taws xob lossis los ntawm cov tshuaj hauv ib puag ncig. Lawv kuj tuaj yeem tshwm sim tshwm sim thaum lub sijhawm rov ua dua ntawm DNA.

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