Gene ntws yog kev txav ntawm cov noob rau hauv lossis tawm ntawm cov pejxeem. Qhov kev txav mus los no yuav yog vim kev tsiv teb tsaws ntawm cov kab mob uas tsim tawm hauv lawv cov neeg tshiab, lossis rau kev txav ntawm gametes (piv txwv li, vim yog qhov tshwm sim ntawm pollen hloov ntawm cov nroj tsuag).
Yuav ua li cas yog qhov tseeb ntawm noob caj noob ces?
Gene ntws yog kev hloov pauv ntawm cov khoom siv caj ces ntawm ib tus neeg mus rau lwm tus… Cov noob ntws hauv cov pej xeem tuaj yeem ua rau muaj kev hloov pauv caj ces ntawm cov pej xeem, whereas gene ntws ntawm cov noob caj noob ces nyob deb tuaj yeem txo qhov sib txawv ntawm cov noob caj noob ces.
Dab tsi cuam tshuam cov noob ntws?
Muaj ntau yam uas cuam tshuam rau tus nqi ntawm cov noob ntws ntawm cov neeg sib txawv. Gene flow yuav tsum yog qis dua hauv cov tsiaj uas tsis tshua muaj kev tawg lossis txav mus los, uas tshwm sim hauv cov chaw nyob sib cais, qhov chaw nyob deb ntawm cov pejxeem, thiab thaum muaj cov pejxeem me me.
Vim li cas gene flow random?
Non-random gene flow versus random gene flow: gene flow is random for a given trait (xws li, morphology, physiology lossis tus cwj pwm, hom chaw nyob tam sim no, lossis genotype) yog tias tag nrho cov yam ntxwv ntawm cov neeg (piv txwv li, dispersal). probability, deb, los yog lo lus uas peb) yog uncorrelated nrog cov caj ces variation nyob rau hauv no…
Tus piv txwv gene flow yog dab tsi?
Gene flow. Gene flow - tseem hu ua kev tsiv teb tsaws - yog ib qho kev txav ntawm tib neeg, thiab / lossis cov khoom siv caj ces lawv nqa, los ntawm ib tus neeg mus rau lwm tus. Gene flow suav nrog ntau ntau yam xwm txheej, xws li paj ntoosraug tshuab mus rau qhov chaw tshiab lossis cov neeg tsiv mus rau lub nroog tshiab lossis lub tebchaws.
