Plag: Evolution yog txhais tau tias yog kev hloov pauv ntawm ntau zaus ntawm alleles hauv cov noob caj noob ces nyob rau lub sijhawm. Qhov no yog evolution ntawm me me, li no tuaj yeem hu ua microevoluion.
Alele zaus hloov pauv hauv cov pejxeem li cas?
Allele zaus hauv cov pej xeem tuaj yeem hloov pauv vim yog cov noob ntws, cov noob caj noob ces, kev xaiv ntuj thiab kev hloov pauv. Cov no yog hu ua plaub lub zog ntawm evolution. Nco ntsoov tias tsuas yog kev hloov pauv tuaj yeem tsim cov caj ces hloov tshiab. Lwm qhov peb lub zog tsuas yog rov kho qhov kev hloov pauv no hauv thiab ntawm cov pejxeem.
nws hu li cas thaum lub sijhawm hloov pauv ntawm allele?
Cov kev hloov pauv hauv cov txheeb ze allele zaus, hu ua genetic drift, tuaj yeem nce lossis txo los ntawm lub sijhawm dhau sijhawm. Feem ntau, genetic drift tshwm sim hauv cov neeg me, qhov uas tsis tshua muaj tshwm sim alleles ntsib txoj hauv kev ploj ntau dua.
Dab tsi yog qhov hloov pauv ntawm allele frequencies hauv cov pej xeem dhau sijhawm?
Yuav yog dab tsi genetic drift ? Genetic drift yog hloov pauv hauv cov zaus ntawm cov neeg nyob hauv ib tiam dhau ib tiam uas tshwm sim vim muaj xwm txheej tshwm sim.
Vim li cas allele zaus hloov?
Natural selection, genetic drift, and gene flow yog cov txheej txheem uas ua rau muaj kev hloov pauv hauv allele zaus dhau sijhawm. Thaum ib los yog ntau dua ntawm cov zog no ua haujlwm hauv ibcov pejxeem, cov pejxeem ua txhaum cov kev xav ntawm Hardy-Weinberg, thiab evolution tshwm sim.
