Cov qhab nia ntseeg siab yog nyob ntawm tus nqi thiab qhov chaw ntawm DNA uas koj qhia nrog koj qhov sib tw. Peb qhia cov nyiaj sib koom siv centimorgans centimorgans Ib centimorgan yog ib chav tsev siv los ntsuas qhov tshwm sim uas ib ntu ntawm DNA yuav raug xa mus rau cov xeeb leej xeeb ntxwv (tsis yog muab faib ua ntu ntu). Ib qho centimorgan sawv cev rau ib feem pua ntawm txoj hauv kev uas ib feem ntawm DNA yuav sib cais ua ntu (recombine) hauv ib tiam. https://support.ancestry.com › article › Measuring-Relatedness
Yuav Ua Li Cas Peb Ntsuas Kev Sib Raug Zoo ntawm AncestryDNA® Matches
(cM), ib chav siv los ntsuas qhov ntev ntawm DNA. Tus lej siab dua, kev ntseeg siab dua, thiab feem ntau, kev sib raug zoo dua.
Yuav muaj pes tsawg cM ntawm DNA ua cov kwv tij sib koom?
Tus nqi sib koom feem ntau qhia hauv qee yam hu ua centimorgans. Tag nrho cov kwv tij nyiam sib koom ib ncig 3500 centimorgans hos ib nrab kwv tij sib ze ze rau 1750.
Muaj pes tsawg centimorgans thawj cov kwv tij sib koom?
Koj yuav qhia txog 680–1, 150 centimorgans nrog thawj tus npawg.
Koj muab pes tsawg lub centimorgan nrog rau niam txiv?
Centimorgans: ntev ntawm DNA
Qhov ntev ntawm ib daim DNA yog ntsuas hauv centimorgans. Qhov ntev ntawm tag nrho koj cov chromosomes ua ke yog nyob ib ncig ntawm 7400 cm. Txij li thaum ib tug neeg tau txais ib nrab ntawm lawv cov DNA los ntawm txhua tus niam txiv, koj qhia txog 3700 cM nrogtxhua tus niam txiv.
Puas yog 4 tug kwv tij txheeb txheeb ntshav?
Puas yog plaub kwv tij txheeb ze ntshav? Thaum tib neeg nug seb ob tus neeg puas yog "ntshav cuam tshuam", qhov lawv yuav nug yog tias plaub tus kwv tij txheeb ze sib koom DNA. Koj tsuas yog qhia DNA nrog txog 50% ntawm koj li 940 4 tus kwv tij txheeb ze. … Hauv lwm lo lus koj muaj feem cuam tshuam nrog rau tag nrho koj cov kwv tij plaub tiam sis koj yuav tsis qhia DNA.
