Koj puas yuav tau yug dev?

Cov txheej txheem:

Koj puas yuav tau yug dev?
Koj puas yuav tau yug dev?

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Video: Koj puas yuav tau yug dev?
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Anonim

Kev yug menyuam dev muaj qhov tshwm sim tiag. Kev tshawb fawb hauv Boyko Lab tau qhia tias qhov10% nce hauv kev yug me nyuamtuaj yeem ua rau 6% txo qis rau cov neeg laus (kev loj hlob tsis zoo) thiab kev txo qis rau 6 txog rau kaum lub hlis hauv lub neej. Txo qhov litter loj thiab fertility kuj yuav.

Puas yog dev yug los phem?

Inbreeding puts dog uas muaj kev pheej hmoo ntawm kev yug me nyuam thiab caj ces muaj teeb meem kev noj qab haus huv. … Cov noob caj noob ces tsuas muaj qhov tsis zoo rau kev noj qab haus huv xws li lag ntseg thaum ib tus neeg nqa ob daim qauv ntawm cov noob tsis raug.

Dab tsi tshwm sim ntawm kev yug dev?

Lwm yam tsis zoo ntawm kev yug me nyuam cov ntaub ntawv suav nrog txo qis lub cev tiv thaiv kab mob ua haujlwm, txo qis kev muaj peev xwm, txo qis kev muaj peev xwm ua me nyuam thiab poob ntawm kev sib txawv ntawm caj ces (i.e. txo qhov kev hloov ntawm caj ces). Ua ke, cov kev tsis zoo no ntawm kev yug me nyuam yog hu ua kev nyuaj siab inbreeding.

Yuav ua li cas yug dev tau zoo?

Kev nce qib ntawm 5-10%yuav muaj kev cuam tshuam me me rau cov xeeb ntxwv. Inbreeding qib siab tshaj 10% yuav muaj kev cuam tshuam loj tsis yog ntawm qhov zoo ntawm cov me nyuam, tab sis kuj yuav muaj kev cuam tshuam rau cov yug me nyuam.

Puas yog dev yug dev?

Ntau zaus, feem ntau suav tias yog kev phom sij rau cov kwv tij thiab cov muam dev ua ke vim muaj kev pheej hmoo ntawm kev noj qab haus huv mus sij hawm ntev … Txawm li cas los xij, pom zoo kom dev niam txiv tsis sib koom ib yam niam txiv los yog poj koob yawm txwv nyob rau plaub tiam pedigree.

Pom zoo: