Ib txoj hauv kev los saib kev sib raug zoo ntawm ntau yam kab mob hauv ntiaj teb yog los ntawm cov kab ntoo uas muaj ceg ntoo, uas pab pawg kab mob ua ke hauv cov kab mob raws li kev sib koom ua ke. Homologous traits no hloov zuj zus los ntawm ib tug poj koob yawm txwv uas tsis muaj cov yam ntxwv.
daim duab tsob ntoo hu ua dab tsi?
Ib tsob ntoo phylogenetic (tseem phylogeny lossis evolutionary ntoo) yog daim duab ceg lossis tsob ntoo uas qhia txog kev sib raug zoo ntawm ntau hom kab mob lom lossis lwm yam khoom raws li qhov sib xws thiab qhov sib txawv ntawm lawv. Cov yam ntxwv ntawm lub cev lossis caj ces.
Daim duab tsob ntoo ua li cas qhia txog kev sib raug zoo ntawm kev hloov pauv li cas?
Ib tsob ntoo daim duab qhia kev hloov pauv kev sib raug zoo los ntawm pab pawg kab mob raws li cov yam ntxwv sib koom.
ceg ntoo sawv cev li cas?
Nyob hauv lawv cov node-raws li cov ntoo, cov nodes sawv cev rau cov chaw lom neeg (xws li, hom, noob), whereas cov ceg sawv cev kev sib raug zoo ntawm cov koom haum(piv txwv li, kev sib raug zoo ntawm poj koob yawm txwv- xeeb leej xeeb ntxwv.).
Vim li cas daim duab ntoo tseem ceeb?
tsob ntoo daim duab yog siv tau rau kev teeb tsa thiab pom qhov sib txawv tau tshwm sim ntawm ib ntu ntawm cov xwm txheej. … Daim duab tsob ntoo muaj txiaj ntsig zoo rau kev txheeb xyuas cov xwm txheej nyob hauv. Daim duab tsob ntoo tso cai rau koj los qhia tias txhua qhov tshwm sim ntawm ib qho xwm txheej cuam tshuam li casQhov tshwm sim ntawm lwm yam xwm txheej.
