Txawm hais tias kev tsim noob neej tau pom ntau txhiab xyoo, Gregor Mendel, Moravian tus kws tshawb fawb thiab Augustinian friar ua haujlwm nyob rau xyoo pua 19th hauv Brno, yog thawj zaug kawm txog noob caj noob ces scientific. Mendel tau kawm txog "kev qub txeeg qub teg", cov qauv hauv txoj kev coj tus cwj pwm raug muab los ntawm niam txiv mus rau cov xeeb ntxwv dhau sij hawm.
Leej twg nrhiav tau genetic predisposition?
In 1951, Hans Eysenck thiab Donald Prell luam tawm ib qho kev sim uas zoo tib yam (monozygotic) thiab fraternal (dizygotic) ntxaib, hnub nyoog 11 thiab 12, raug kuaj rau neuroticism. Nws tau piav qhia meej nyob rau hauv ib tsab xov xwm luam tawm nyob rau hauv Phau ntawv Journal of Mental Science.
Thaum twg yog thawj kab mob caj ces nrhiav pom?
Ib tus cim caj ces txuas nrog tus kab mob Huntington tau pom ntawm chromosome 4 hauv xyoo 1983, ua rau Huntington tus kab mob, lossis HD, thawj cov kab mob caj ces siv DNA polymorphisms.
Leej twg tsim cov noob ua ntej?
Danish botanist Wilhelm Johannsen coined lo lus gene los piav txog Mendelian units ntawm heredity. Nws kuj tau ua qhov sib txawv ntawm sab nrauv ntawm ib tus neeg (phenotype) thiab nws cov caj ces (genotype).
Leej twg paub tias yog leej txiv ntawm caj ces?
Zoo ntau tus kws ua yeeb yam zoo, ua haujlwm ntawm Gregor Mendel tsis tau txais txiaj ntsig txog thaum nws tuag. Tam sim no nws tau raug hu ua "Txiv Txiv Neej," tab sis nws tau nco qab tias yog ib tug txiv neej siab mos siab muag uas nyiam paj thiab khaws cov ntaub ntawv dav dav ntawm huab cua thiab hnub qub thaum nws tuag.
