Nyob rau hauv tib neeg caj ces, daim duab pedigree yog siv los taug qab cov qub txeeg qub teg ntawm ib qho tshwj xeeb, txawv txav, lossis kab mob. Tus txiv neej sawv cev los ntawm ib lub xwmfab los yog cim ♂, ib tug poj niam los ntawm lub voj voog lossis lub cim ♀.
Lub cim twg sawv cev rau poj niam hauv ib hom kab mob hlwb?
Plag: Hauv pedigrees, poj niam yeej ib txwm denoted nrog a voj voog, thiab txiv neej nrog square.
Yuav ua li cas sau cov cim nyob rau hauv ib tug pedigree qhia li cas?
Nyob rau hauv ib tug pedigree, lub voj voog sawv cev rau ib tug poj niam, thiab lub square sawv cev rau ib tug txiv neej. Ib lub voj voog lossis square qhia tias tus neeg muaj qhov zoo uas tau kawm.
Lub voj voog sawv cev li cas hauv daim ntawv teev npe?
Ib tug pedigree ua rau kev nthuav qhia ntawm tsev neeg cov ntaub ntawv nyob rau hauv daim ntawv ntawm ib tug yooj yim nyeem ntawv daim ntawv. Nws tuaj yeem raug hu ua "tsev neeg tsob ntoo". Pedigrees siv cov txheej txheem ntawm cov cim, squares sawv cev rau txiv neej thiab lub voj voog sawv cev females.
Dab tsi yog siv daim ntawv teev npe kawm?
Cov kab kos kab yog cov kab kos uas qhia cov phenotypes thiab / lossis genotypes rau ib qho kab mob tshwj xeeb thiab nws cov poj koob yawm txwv. Thaum feem ntau siv hauv tib neeg tsev neeg rau taug qab cov kab mob caj ces, lawv tuaj yeem siv rau txhua hom thiab txhua yam kev xeeb tub.
