Cov txheej txheem:
- Yuav ua li cas yog qhov tseeb ntawm noob caj noob ces?
- Dab tsi cuam tshuam cov noob ntws?
- Vim li cas gene flow random?
- Tus piv txwv gene flow yog dab tsi?
![Vim li cas gene flow? Vim li cas gene flow?](https://i.boatexistence.com/preview/questions/18691170-why-is-gene-flow-j.webp)
Video: Vim li cas gene flow?
![Video: Vim li cas gene flow? Video: Vim li cas gene flow?](https://i.ytimg.com/vi/y6dAg8lu5M0/hqdefault.jpg)
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
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.
Pom zoo:
Kev hloov pauv feem ntau tsis zoo vim li cas lossis vim li cas ho tsis?
![Kev hloov pauv feem ntau tsis zoo vim li cas lossis vim li cas ho tsis? Kev hloov pauv feem ntau tsis zoo vim li cas lossis vim li cas ho tsis?](https://i.boatexistence.com/preview/questions/18700767-are-mutations-generally-disadvantageous-why-or-why-not-j.webp)
Feem ntau ntawm kev hloov pauv yog nruab nrab ntawm lawv cov teebmeem ntawm cov kab mob uas lawv tshwm sim. Kev hloov pauv tau zoo tuaj yeem ua ntau dua los ntawm kev xaiv ntuj. Kev hloov pauv tsis zoo yuav ua rau muaj kab mob caj ces lossis mob qog noj ntshav .
Vim li cas thiab vim li cas thiaj txhais tau?
![Vim li cas thiab vim li cas thiaj txhais tau? Vim li cas thiab vim li cas thiaj txhais tau?](https://i.boatexistence.com/preview/new-questions/18708148-why-and-wherefores-meaning.webp)
Txhua qhov laj thawj thiab qhov laj thawj, ib yam li hauv Nws tau mus rau qhov laj thawj thiab yog li ntawm lub koom haum kev saws me nyuam txoj cai thiab cov txheej txheem. Cov lus no niaj hnub no yog redundancy vim yog vim li cas thiab yog li ntawd txhais tau tib yamYav tas los, txawm li cas los xij, vim li cas thiaj qhia qhov laj thawj rau qee yam thiab yog li ntawd nws los ua li cas.
Puas tib neeg hloov zuj zus los ntawm chimps vim li cas los yog vim li cas ho tsis?
![Puas tib neeg hloov zuj zus los ntawm chimps vim li cas los yog vim li cas ho tsis? Puas tib neeg hloov zuj zus los ntawm chimps vim li cas los yog vim li cas ho tsis?](https://i.boatexistence.com/preview/questions/18710307-did-humans-evolve-from-chimps-why-or-why-not-j.webp)
Nws yog ib lo lus teb yooj yim: Tib neeg tsis tau hloov zuj zus los ntawm chimpanzees los yog lwm yam zoo kawg nkaus apes uas nyob niaj hnub no. Peb sib koom ib tug poj koob yawm txwv uas nyob kwv yees li 10 lab xyoo dhau los . Puas tib neeg hloov zuj zus los ntawm apes?
Vim li cas kawm compressible flow?
![Vim li cas kawm compressible flow? Vim li cas kawm compressible flow?](https://i.boatexistence.com/preview/questions/18722736-why-study-compressible-flow-j.webp)
Kev kawm ntawm compressible flow yog cuam tshuam rau cov dav hlau ceev, dav hlau tshuab, foob pob ua ntxaij motors, kev kub ceev nkag mus rau hauv lub ntiaj teb huab cua, cov raj xa dej, kev lag luam xws li abrasive blasting, thiab ntau lwm daim teb .
Yuav sau li cas vim li cas thiab yog vim li cas?
![Yuav sau li cas vim li cas thiab yog vim li cas? Yuav sau li cas vim li cas thiab yog vim li cas?](https://i.boatexistence.com/preview/questions/18771817-how-to-write-whys-and-wherefores-j.webp)
Kev txhais ntawm yog vim li cas thiab (tus) yog li ntawd: yog vim li cas rau ib yam Nws piav qhia vim li cas thiab yog li ntawd ntawm tus nqi nce . Yuav ua li cas thiab yog vim li cas? Txhua qhov laj thawj thiab qhov laj thawj, ib yam li hauv Nws tau mus rau qhov laj thawj thiab yog li ntawm lub koom haum kev saws me nyuam txoj cai thiab cov txheej txheem.