Cov txheej txheem:
- Puas inbreeding ua rau txawv xim ob lub qhov muag?
- cov neeg qhov muag xiav tau nqis los ntawm qhov twg?
- Vim li cas tib neeg thiaj tsim qhov muag xiav?
- Yeej poj koob yawm txwv qhov muag xiav yog leej twg?
Video: Pob inbreeding ua rau xiav qhov muag?
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
Txawm li cas los xij, gene rau qhov muag xiav yog qhov tsis zooyog li koj yuav xav tau ob leeg kom tau qhov muag xiav. Qhov no yog ib qho tseem ceeb raws li qee yam kev tsis haum xeeb hauv lub cev thiab cov kab mob caj ces, xws li cystic fibrosis, yog nqa los ntawm recessive alleles. Inbreeding stacks qhov txawv ntawm yug nrog tej yam kev mob tawm tsam koj.
Puas inbreeding ua rau txawv xim ob lub qhov muag?
qhov muag sib txawv yog qhov tsis tshua muaj nyob hauv tib neeg txawm tias nws muaj ntau dua hauv qee tus tsiaj. Piv txwv li, dev nyiam Siberian Huskies thiab miv thiab nees feem ntau muaj xim sib txawv qhov muag vim yog inbreeding.
cov neeg qhov muag xiav tau nqis los ntawm qhov twg?
Cov kws tshawb fawb xaus lus tias txhua tus neeg lub qhov muag xiav hauv ntiaj teb niaj hnub no tuaj yeem taug qab lawv caj ces rov qab mus rau ib tus neeg European uas tej zaum nyob txog 10,000 xyoo dhau los hauv thaj av Hiav Txwv Dubthiab leej twg xub tsim ib qho kev hloov pauv tshwj xeeb uas suav nrog tam sim no nthuav dav iris xim.
Vim li cas tib neeg thiaj tsim qhov muag xiav?
Ib pawg kws tshawb fawb tau taug qab ib noob caj noob ces uas ua rau lub qhov muag xiav. Qhov kev hloov pauv tau tshwm sim ntawm 6,000 thiab 10,000 xyoo dhau los. … Qhov kev hloov pauv tau cuam tshuam rau lub npe hu ua OCA2 noob, uas koom nrog hauv kev tsim cov melanin, cov xim uas muab xim rau peb cov plaub hau, qhov muag thiab tawv nqaij.
Yeej poj koob yawm txwv qhov muag xiav yog leej twg?
Ib pab pawg ntawm University of Copenhagen tau taug qab kev hloov pauv caj ces uas tau tshwm sim 6-10,000 xyoo dhau los thiab yog qhov ua rau lub qhov muag xim ntawm txhua tus neeg lub qhov muag xiav muaj sia nyob hauv ntiaj teb niaj hnub no. "Thaum chiv keeb, peb txhua tus muaj qhov muag xim av," said xibfwb Eiberg los ntawm Lub Tsev Haujlwm Saib Xyuas Cellular thiab Molecular Biology.
Pom zoo:
Lub hnub puas ua rau koj ob lub qhov muag xiav?
Tshav Hnub Tshaj Tawm Txawm tias koj lub qhov muag xim tau teeb tsa, koj lub qhov muag xim tuaj yeem hloov me ntsis yog tias koj tso koj ob lub qhov muag rau hnub ci ntau. Raws li qhov tshwm sim, koj ob lub qhov muag yuav tshwm sim dub ntxoov ntxoo xim av, xiav, ntsuab, lossis grey, nyob ntawm koj qhov muag xim tam sim no.
Qhov muag xiav xiav qhov muag tsawg tsawg?
Xiav ntsuab ob lub qhov muag zoo kawg nkaus saib. Ib feem ntawm qhov lawv tuav peb lub siab yog vim lawv tsis tshua muaj neeg. Txawm hais tias kev tshawb fawb tau tawg me ntsis, kev tshawb fawb tam sim no qhia tias tsuas yog nyob ib ncig ntawm 3-5% ntawm tib neeg cov pej xeem muaj qhov muag xiav ntsuab tiag tiag .
Puas yog lub qhov muag xiav qhov muag tsis zoo?
Lub qhov muag xim tsis yog ib qho piv txwv ntawm cov caj ces yooj yim, thiab xiav ob lub qhov muag tsis tau txiav txim siab los ntawm ib qho kev cuam tshuam ntawm ib lub noob Hloov chaw, qhov muag xim yog txiav txim siab los ntawm kev hloov pauv ntawm ntau yam.
Puas qhov muag xiav qhov muag txwv?
Lub Peb Hlis 1999, Lub Qhov Muag Bluest tau ua tiav txwv tsis pub los ntawm Baker High School language arts program hauv Baker City, Oregon tom qab ntau qhov kev tsis txaus siab los ntawm cov niam txiv txog cov ntsiab lus ntawm phau ntawv. Lub hauv paus ntawm kev sib cav sib ceg rau qhov tshiab no yog qhov rape scene ntawm Cholly thiab Pecola .
Pob scleral lo ntsiab muag ua haujlwm rau qhov muag qhuav?
Ib qho kev xaiv los daws qhov muag qhuav yog siv cov lo ntsiab muag scleral. Txawm hais tias feem ntau siv los kho pob txha irregularities thiab refractive yuam kev, scleral lo ntsiab muag tuaj yeem muab kev pab zoo rau cov neeg mob qhov muag qhuav .
