Ib hnub xyoo 1910, American geneticist Thomas Hunt Morgan peered los ntawm ib txhais tes lens ntawm ib tug txiv neej txiv hmab txiv ntoo ya, thiab nws pom nws tsis zoo. Es tsis txhob muaj lub qhov muag liab ci ntsa iab ntawm cov tsiaj qus Drosophila melanogaster, tus yoov no muaj qhov muag dawb.
Leej twg thawj zaug siv Drosophila?
Nws yog yuav luag 100 xyoo dhau los, xyoo 1909, uas yog ib tus kws kho mob embryologist, Thomas Hunt Morgan, xaiv cov txiv hmab txiv ntoo ya Drosophila melanogaster ua tus qauv kab mob rau kev sim kev kawm ntawm evolution.
Thomas Morgan nrhiav tau dab tsi?
4, 1945, Pasadena, Calif.), American zoologist thiab geneticist, nto moo rau nws txoj kev tshawb fawb nrog cov txiv hmab txiv ntoo yoov (Drosophila) los ntawm nws tsim txoj kev xav ntawm chromosome ntawm heredityNws tau pom tias cov noob tau txuas rau hauv cov kab ke ntawm chromosomes thiab muaj lub luag haujlwm rau kev txheeb xyuas tus kheej, keeb kwm keeb kwm.
Leej twg hu ua Drosophila melanogaster?
Ib qho Taw Qhia rau Drosophila melanogaster
Thomas Hunt Morgan yog tus kws tshaj lij biologist kawm Drosophila thaum ntxov xyoo 1900. Nws yog thawj tus uas pom kev sib deev-kev sib txuas thiab kev sib txuas ntawm caj ces, uas tso cov yoov me me nyob rau hauv pem hauv ntej ntawm kev tshawb nrhiav caj ces.
Puas yog cov yoov yoov tsis zoo?
biologists tau xav ntev ntev vim li cas kev sib deev tshwm sim, raws li kev tsim tawm asexually zoo li ua rau kev nkag siab zoo dua. Tam sim no, ib qho kev sim nrog txiv hmab txiv ntoo yoov tshaj tawm ib qho txiaj ntsig ntawm kev sib deev: Nws ua rau muaj kev hloov pauv tau zoo. … Los ntawm kev tsim cov chromosomes hluavtaws, lawv tsim cov yoov uas yug me nyuam.
