Cov txheej txheem:
- Vim li cas cov kab mob rov qab muaj ntau dua?
- Puas muaj kev puas siab puas ntsws ntau?
- Dab tsi ntawm cov hauv qab no yog qhov mob autosomal recessive ntau tshaj plaws hauv Caucasians?
- Puas feem ntau cov noob caj noob ces rov ua dua?
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
Cystic fibrosis yog ib qho ntawm cov kab mob feem ntau tshwm sim hauv cov noob caj noob ces hauv Caucasians. Kwv yees li ntawm ib tug ntawm 2500 Caucasian cov me nyuam yug los nrog CF thiab ib tug ntawm 25 Caucasians ntawm sab qaum teb European qhovntsej thiaj tsis mob yog nqa cov noob rau CF.
Vim li cas cov kab mob rov qab muaj ntau dua?
Kev hloov pauv kab mob muaj ntau dua li cov uas muaj kev phom sij txawm nyob hauv ib daim ntawv, vim tias " tseem ceeb" kev hloov pauv tau yooj yim dua tshem tawm los ntawm kev xaiv ntuj.
Puas muaj kev puas siab puas ntsws ntau?
Nws kwv yees tias txhua tus neeg nqa txog 5 lossis ntau duacov noob uas ua rau muaj kab mob caj ces lossis mob. Thaum cov niam txiv tau muaj ib tug me nyuam uas muaj tus cwj pwm tsis zoo los yog kab mob, muaj 1 tawm ntawm 4, lossis 25%, muaj feem cuam tshuam, nrog rau txhua qhov kev xeeb tub tom qab, lwm tus menyuam yuav yug los nrog tib yam lossis tsis meej.
Dab tsi ntawm cov hauv qab no yog qhov mob autosomal recessive ntau tshaj plaws hauv Caucasians?
Cystic fibrosis yog tus kab mob ntau tshaj plaws uas tau txais los ntawm autosomal recessive nyob rau hauv cov neeg Caucasian.
Puas feem ntau cov noob caj noob ces rov ua dua?
Cov kab mob ib leeg khiav hauv tsev neeg thiab tuaj yeem ua tau tseem ceeb lossis rov ua haujlwm, thiab autosomal lossis kev sib deev. Kev txheeb xyuas cov tsev neeg loj nrog ntau tus tswv cuab muaj txiaj ntsig zoo rau kev txiav txim siab qub txeeg qub teg ntawm cov kab mob ib leeg.
Pom zoo:
Qhov chaw ntawm kev sib koom ua ke feem ntau tshwm sim yog dab tsi?
Recombination tshwm sim thaum ob lub molecules ntawm DNA pauv daim ntawm lawv cov khoom siv caj ces nrog ib leeg. Ib qho piv txwv tseem ceeb tshaj plaws ntawm kev sib koom ua ke tshwm sim thaum lub sij hawm meiosis(tshwj xeeb, thaum lub sij hawm prophase I), thaum homologous chromosomes kab nyob rau hauv khub thiab sib pauv ntu ntawm DNA .
Qhov twg muaj kev sib kis feem ntau tshwm sim?
Qhov chaw tshaj plaws rau qhov tshwm sim yog nyob rau hauv lub quadriceps, cov leeg ntawm pem hauv ntej / sab ntawm tus ncej puab . kev sib kis tshwm sim qhov twg? Kev kis mob tshwm sim thaum lub tshuab hluav taws xob ncaj qha lossis rov ua dua los ntawm cov khoom tsis pom kev tawm tsam ib feem ntawm lub cev, tsoo cov leeg nqaij thiab cov nqaij sib txuas yam tsis ua rau daim tawv nqaij.
Puas muaj kev puas siab puas ntsws tuaj yeem tshwm sim?
Kev tshawb fawb qhia tias psychopaths tsis muaj kev ntshai li peb tus so. Piv txwv li, koj yuav ua li cas yog tias koj dheev poob los ntawm lub suab nrov? Feem ntau cov tib neeg yuav dhia los yog tam sim ntawd tsim tawm hws xib teg. Txawm li cas los xij, kev sim qhia tau hais tias psychopaths nyuam qhuav pib - thiab lawv txhais tes nyob twj ywm qhuav .
Puas muaj qhov sib txawv ntawm qhov tshwm sim thiab qhov tshwm sim?
Raws li lub npe qhov txawv ntawm qhov tshwm sim thiab qhov tshwm sim. yog happenchance is a coincidental happen while happenstance is (countable) a chance or random event or random events . Puas muaj lo lus tshwm sim? : a xwm txheej tshwj xeeb yog vim muaj caij nyoog Lawv tuaj ua ke los ntawm qhov tshwm sim .
Vim li cas kev sib tsoo feem ntau tshwm sim ntawm kev sib tshuam?
Kev sib tsoo feem ntau tshwm sim ntawm kev sib tshuam vim cov no yog qhov chaw uas ob lossis ntau txoj kev hla ib leeg thiab kev ua ub no xws li tig sab laug, hla dhau, thiab tig sab xis muaj peev xwm ua rau muaj kev tsis sib haum xeeb . Pob tsheb sib tsoo feem ntau tshwm sim ntawm kev sib tshuam?
