Thaum qhov muag xim thiab xim plaub hau, cov yam ntxwv no tau txiav txim siab los ntawm cov noob caj noob ces yog li feem ntau yuav zoo ib yam. Txawm li cas los xij txawm qhov muag xim tsis yog ib txwm zoo ib yam, kwv yees 2% ntawm cov menyuam ntxaib zoo ib yam muaj qhov muag xim sib txawv.
Tus menyuam ntxaib puas muaj qhov muag sib txawv?
Cov menyuam ntxaib caj ces zoo ib yam tuaj yeem muaj xim qhov muag sib txawvvim DNA ntu tsis txheeb xyuas qhov zoo. Tsuas yog qee qhov yuam kev tsis zoo, cov menyuam ntxaib zoo tib yam yuav muaj xim qhov muag tib yam. Cov menyuam ntxaib zoo ib yam muaj tib yam DNA. Lawv yog cov tshwm sim ntawm ib tug phev fertilizing ib qe.
Koj tuaj yeem saib txawv yog tias koj yog tus menyuam ntxaib zoo ib yam?
Yes! Cov menyuam ntxaib zoo tib yam tuaj ntawm tib cov phev thiab qe, yog li lawv muaj tib chromosomes thiab cov noob.… Yog li cov menyuam ntxaib zoo tib yam nrog DNA zoo tib yam yuav muaj cov noob caj noob ces sib txawv, ua rau lawv saib thiab ua txawv, thiab txawm tsim cov kab mob sib txawv xws li mob qog noj ntshav.
Niam ntxaib 100% zoo ib yam?
Ib yam ntxaib tsim los ntawm tib lub qe thiab tau txais tib yam khoom siv caj ces los ntawm lawv niam lawv txiv - tab sis qhov ntawd tsis tau txhais tias lawv muaj caj ces zoo ib yam thaum lawv yug los.
Pob ntxaib zoo tib yam los ntawm niam los yog txiv?
Raws li Stanford, qhov yuav muaj menyuam ntxaib thaum cev xeeb tub los ntawm leej niam, vim tias, raws li lawv tau hais, "Ib leej txiv lub noob tsis tuaj yeem ua rau poj niam tso tawm. ob lub qe." Yog tias koj yog poj niam tab tom sim xeeb, nws tsis yog koj niam tus caj ces tseem ceeb.
